20081760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 70543872

約数和(自身を除く): 50462112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 32, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 96, 102, 107, 115, 120, 136, 138, 160, 170, 184, 204, 214, 230, 240, 255, 272, 276, 321, 340, 345, 368, 391, 408, 428, 460, 480, 510, 535, 544, 552, 642, 680, 690, 736, 782, 816, 856, 920, 1020, 1070, 1104, 1173, 1284, 1360, 1380, 1564, 1605, 1632, 1712, 1819, 1840, 1955, 2040, 2140, 2208, 2346, 2461, 2568, 2720, 2760, 3128, 3210, 3424, 3638, 3680, 3910, 4080, 4280, 4692, 4922, 5136, 5457, 5520, 5865, 6256, 6420, 7276, 7383, 7820, 8160, 8560, 9095, 9384, 9844, 10272, 10914, 11040, 11730, 12305, 12512, 12840, 14552, 14766, 15640, 17120, 18190, 18768, 19688, 21828, 23460, 24610, 25680, 27285, 29104, 29532, 31280, 36380, 36915, 37536, 39376, 41837, 43656, 46920, 49220, 51360, 54570, 58208, 59064, 62560, 72760, 73830, 78752, 83674, 87312, 93840, 98440, 109140, 118128, 125511, 145520, 147660, 167348, 174624, 187680, 196880, 209185, 218280, 236256, 251022, 291040, 295320, 334696, 393760, 418370, 436560, 502044, 590640, 627555, 669392, 836740, 873120, 1004088, 1181280, 1255110, 1338784, 1673480, 2008176, 2510220, 3346960, 4016352, 5020440, 6693920, 10040880, 20081760]

約数ペア:

[(1, 20081760), (2, 10040880), (3, 6693920), (4, 5020440), (5, 4016352), (6, 3346960), (8, 2510220), (10, 2008176), (12, 1673480), (15, 1338784), (16, 1255110), (17, 1181280), (20, 1004088), (23, 873120), (24, 836740), (30, 669392), (32, 627555), (34, 590640), (40, 502044), (46, 436560), (48, 418370), (51, 393760), (60, 334696), (68, 295320), (69, 291040), (80, 251022), (85, 236256), (92, 218280), (96, 209185), (102, 196880), (107, 187680), (115, 174624), (120, 167348), (136, 147660), (138, 145520), (160, 125511), (170, 118128), (184, 109140), (204, 98440), (214, 93840), (230, 87312), (240, 83674), (255, 78752), (272, 73830), (276, 72760), (321, 62560), (340, 59064), (345, 58208), (368, 54570), (391, 51360), (408, 49220), (428, 46920), (460, 43656), (480, 41837), (510, 39376), (535, 37536), (544, 36915), (552, 36380), (642, 31280), (680, 29532), (690, 29104), (736, 27285), (782, 25680), (816, 24610), (856, 23460), (920, 21828), (1020, 19688), (1070, 18768), (1104, 18190), (1173, 17120), (1284, 15640), (1360, 14766), (1380, 14552), (1564, 12840), (1605, 12512), (1632, 12305), (1712, 11730), (1819, 11040), (1840, 10914), (1955, 10272), (2040, 9844), (2140, 9384), (2208, 9095), (2346, 8560), (2461, 8160), (2568, 7820), (2720, 7383), (2760, 7276), (3128, 6420), (3210, 6256), (3424, 5865), (3638, 5520), (3680, 5457), (3910, 5136), (4080, 4922), (4280, 4692)]