20394809600

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1069}}^1$

素因数の和:1377

約数の個数: 216

約数和(自身を含む): 55324375680

約数和(自身を除く): 34929566080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 271, 275, 320, 352, 400, 440, 542, 550, 640, 704, 800, 880, 1069, 1084, 1100, 1280, 1355, 1408, 1600, 1760, 2138, 2168, 2200, 2710, 2816, 2981, 3200, 3520, 4276, 4336, 4400, 5345, 5420, 5962, 6400, 6775, 7040, 8552, 8672, 8800, 10690, 10840, 11759, 11924, 13550, 14080, 14905, 17104, 17344, 17600, 21380, 21680, 23518, 23848, 26725, 27100, 29810, 34208, 34688, 35200, 42760, 43360, 47036, 47696, 53450, 54200, 58795, 59620, 68416, 69376, 70400, 74525, 85520, 86720, 94072, 95392, 106900, 108400, 117590, 119240, 136832, 149050, 171040, 173440, 188144, 190784, 213800, 216800, 235180, 238480, 273664, 289699, 293975, 298100, 342080, 346880, 376288, 381568, 427600, 433600, 470360, 476960, 579398, 587950, 596200, 684160, 752576, 763136, 855200, 867200, 940720, 953920, 1158796, 1175900, 1192400, 1368320, 1448495, 1505152, 1710400, 1734400, 1881440, 1907840, 2317592, 2351800, 2384800, 2896990, 3010304, 3186689, 3420800, 3762880, 3815680, 4635184, 4703600, 4769600, 5793980, 6373378, 6841600, 7242475, 7525760, 9270368, 9407200, 9539200, 11587960, 12746756, 14484950, 15051520, 15933445, 18540736, 18814400, 19078400, 23175920, 25493512, 28969900, 31866890, 37081472, 37628800, 46351840, 50987024, 57939800, 63733780, 74162944, 75257600, 79667225, 92703680, 101974048, 115879600, 127467560, 159334450, 185407360, 203948096, 231759200, 254935120, 318668900, 370814720, 407896192, 463518400, 509870240, 637337800, 815792384, 927036800, 1019740480, 1274675600, 1854073600, 2039480960, 2549351200, 4078961920, 5098702400, 10197404800, 20394809600]

約数ペア:

[(1, 20394809600), (2, 10197404800), (4, 5098702400), (5, 4078961920), (8, 2549351200), (10, 2039480960), (11, 1854073600), (16, 1274675600), (20, 1019740480), (22, 927036800), (25, 815792384), (32, 637337800), (40, 509870240), (44, 463518400), (50, 407896192), (55, 370814720), (64, 318668900), (80, 254935120), (88, 231759200), (100, 203948096), (110, 185407360), (128, 159334450), (160, 127467560), (176, 115879600), (200, 101974048), (220, 92703680), (256, 79667225), (271, 75257600), (275, 74162944), (320, 63733780), (352, 57939800), (400, 50987024), (440, 46351840), (542, 37628800), (550, 37081472), (640, 31866890), (704, 28969900), (800, 25493512), (880, 23175920), (1069, 19078400), (1084, 18814400), (1100, 18540736), (1280, 15933445), (1355, 15051520), (1408, 14484950), (1600, 12746756), (1760, 11587960), (2138, 9539200), (2168, 9407200), (2200, 9270368), (2710, 7525760), (2816, 7242475), (2981, 6841600), (3200, 6373378), (3520, 5793980), (4276, 4769600), (4336, 4703600), (4400, 4635184), (5345, 3815680), (5420, 3762880), (5962, 3420800), (6400, 3186689), (6775, 3010304), (7040, 2896990), (8552, 2384800), (8672, 2351800), (8800, 2317592), (10690, 1907840), (10840, 1881440), (11759, 1734400), (11924, 1710400), (13550, 1505152), (14080, 1448495), (14905, 1368320), (17104, 1192400), (17344, 1175900), (17600, 1158796), (21380, 953920), (21680, 940720), (23518, 867200), (23848, 855200), (26725, 763136), (27100, 752576), (29810, 684160), (34208, 596200), (34688, 587950), (35200, 579398), (42760, 476960), (43360, 470360), (47036, 433600), (47696, 427600), (53450, 381568), (54200, 376288), (58795, 346880), (59620, 342080), (68416, 298100), (69376, 293975), (70400, 289699), (74525, 273664), (85520, 238480), (86720, 235180), (94072, 216800), (95392, 213800), (106900, 190784), (108400, 188144), (117590, 173440), (119240, 171040), (136832, 149050)]