20856893200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2237}}^1$

素因数の和:2442

約数の個数: 240

約数和(自身を含む): 59256582336

約数和(自身を除く): 38399689136

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 163, 176, 200, 208, 220, 260, 275, 286, 325, 326, 400, 440, 520, 550, 572, 650, 652, 715, 815, 880, 1040, 1100, 1144, 1300, 1304, 1430, 1630, 1793, 2119, 2200, 2237, 2288, 2600, 2608, 2860, 3260, 3575, 3586, 4075, 4238, 4400, 4474, 5200, 5720, 6520, 7150, 7172, 8150, 8476, 8948, 8965, 10595, 11185, 11440, 13040, 14300, 14344, 16300, 16952, 17896, 17930, 21190, 22370, 23309, 24607, 28600, 28688, 29081, 32600, 33904, 35792, 35860, 42380, 44740, 44825, 46618, 49214, 52975, 55925, 57200, 58162, 65200, 71720, 84760, 89480, 89650, 93236, 98428, 105950, 111850, 116324, 116545, 123035, 143440, 145405, 169520, 178960, 179300, 186472, 196856, 211900, 223700, 232648, 233090, 246070, 290810, 319891, 358600, 364631, 372944, 393712, 423800, 447400, 465296, 466180, 492140, 581620, 582725, 615175, 639782, 717200, 727025, 729262, 847600, 894800, 932360, 984280, 1163240, 1165450, 1230350, 1279564, 1454050, 1458524, 1599455, 1823155, 1864720, 1968560, 2326480, 2330900, 2460700, 2559128, 2908100, 2917048, 3198910, 3646310, 4010941, 4661800, 4740203, 4921400, 5118256, 5816200, 5834096, 6397820, 7292620, 7997275, 8021882, 9115775, 9323600, 9480406, 9842800, 11632400, 12795640, 14585240, 15994550, 16043764, 18231550, 18960812, 20054705, 23701015, 25591280, 29170480, 31989100, 32087528, 36463100, 37921624, 40109410, 47402030, 52142233, 63978200, 64175056, 72926200, 75843248, 80218820, 94804060, 100273525, 104284466, 118505075, 127956400, 145852400, 160437640, 189608120, 200547050, 208568932, 237010150, 260711165, 320875280, 379216240, 401094100, 417137864, 474020300, 521422330, 802188200, 834275728, 948040600, 1042844660, 1303555825, 1604376400, 1896081200, 2085689320, 2607111650, 4171378640, 5214223300, 10428446600, 20856893200]

約数ペア:

[(1, 20856893200), (2, 10428446600), (4, 5214223300), (5, 4171378640), (8, 2607111650), (10, 2085689320), (11, 1896081200), (13, 1604376400), (16, 1303555825), (20, 1042844660), (22, 948040600), (25, 834275728), (26, 802188200), (40, 521422330), (44, 474020300), (50, 417137864), (52, 401094100), (55, 379216240), (65, 320875280), (80, 260711165), (88, 237010150), (100, 208568932), (104, 200547050), (110, 189608120), (130, 160437640), (143, 145852400), (163, 127956400), (176, 118505075), (200, 104284466), (208, 100273525), (220, 94804060), (260, 80218820), (275, 75843248), (286, 72926200), (325, 64175056), (326, 63978200), (400, 52142233), (440, 47402030), (520, 40109410), (550, 37921624), (572, 36463100), (650, 32087528), (652, 31989100), (715, 29170480), (815, 25591280), (880, 23701015), (1040, 20054705), (1100, 18960812), (1144, 18231550), (1300, 16043764), (1304, 15994550), (1430, 14585240), (1630, 12795640), (1793, 11632400), (2119, 9842800), (2200, 9480406), (2237, 9323600), (2288, 9115775), (2600, 8021882), (2608, 7997275), (2860, 7292620), (3260, 6397820), (3575, 5834096), (3586, 5816200), (4075, 5118256), (4238, 4921400), (4400, 4740203), (4474, 4661800), (5200, 4010941), (5720, 3646310), (6520, 3198910), (7150, 2917048), (7172, 2908100), (8150, 2559128), (8476, 2460700), (8948, 2330900), (8965, 2326480), (10595, 1968560), (11185, 1864720), (11440, 1823155), (13040, 1599455), (14300, 1458524), (14344, 1454050), (16300, 1279564), (16952, 1230350), (17896, 1165450), (17930, 1163240), (21190, 984280), (22370, 932360), (23309, 894800), (24607, 847600), (28600, 729262), (28688, 727025), (29081, 717200), (32600, 639782), (33904, 615175), (35792, 582725), (35860, 581620), (42380, 492140), (44740, 466180), (44825, 465296), (46618, 447400), (49214, 423800), (52975, 393712), (55925, 372944), (57200, 364631), (58162, 358600), (65200, 319891), (71720, 290810), (84760, 246070), (89480, 233090), (89650, 232648), (93236, 223700), (98428, 211900), (105950, 196856), (111850, 186472), (116324, 179300), (116545, 178960), (123035, 169520), (143440, 145405)]