20218463760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{162947}}^1$

素因数の和:163021

約数の個数: 160

約数和(自身を含む): 69830387712

約数和(自身を除く): 49611923952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 110, 120, 132, 141, 165, 176, 188, 220, 235, 240, 264, 282, 330, 376, 440, 470, 517, 528, 564, 660, 705, 752, 880, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2256, 2585, 2640, 2820, 3102, 3760, 4136, 5170, 5640, 6204, 7755, 8272, 10340, 11280, 12408, 15510, 20680, 24816, 31020, 41360, 62040, 124080, 162947, 325894, 488841, 651788, 814735, 977682, 1303576, 1629470, 1792417, 1955364, 2444205, 2607152, 3258940, 3584834, 3910728, 4888410, 5377251, 6517880, 7169668, 7658509, 7821456, 8962085, 9776820, 10754502, 13035760, 14339336, 15317018, 17924170, 19553640, 21509004, 22975527, 26886255, 28678672, 30634036, 35848340, 38292545, 39107280, 43018008, 45951054, 53772510, 61268072, 71696680, 76585090, 84243599, 86036016, 91902108, 107545020, 114877635, 122536144, 143393360, 153170180, 168487198, 183804216, 215090040, 229755270, 252730797, 306340360, 336974396, 367608432, 421217995, 430180080, 459510540, 505461594, 612680720, 673948792, 842435990, 919021080, 1010923188, 1263653985, 1347897584, 1684871980, 1838042160, 2021846376, 2527307970, 3369743960, 4043692752, 5054615940, 6739487920, 10109231880, 20218463760]

約数ペア:

[(1, 20218463760), (2, 10109231880), (3, 6739487920), (4, 5054615940), (5, 4043692752), (6, 3369743960), (8, 2527307970), (10, 2021846376), (11, 1838042160), (12, 1684871980), (15, 1347897584), (16, 1263653985), (20, 1010923188), (22, 919021080), (24, 842435990), (30, 673948792), (33, 612680720), (40, 505461594), (44, 459510540), (47, 430180080), (48, 421217995), (55, 367608432), (60, 336974396), (66, 306340360), (80, 252730797), (88, 229755270), (94, 215090040), (110, 183804216), (120, 168487198), (132, 153170180), (141, 143393360), (165, 122536144), (176, 114877635), (188, 107545020), (220, 91902108), (235, 86036016), (240, 84243599), (264, 76585090), (282, 71696680), (330, 61268072), (376, 53772510), (440, 45951054), (470, 43018008), (517, 39107280), (528, 38292545), (564, 35848340), (660, 30634036), (705, 28678672), (752, 26886255), (880, 22975527), (940, 21509004), (1034, 19553640), (1128, 17924170), (1320, 15317018), (1410, 14339336), (1551, 13035760), (1880, 10754502), (2068, 9776820), (2256, 8962085), (2585, 7821456), (2640, 7658509), (2820, 7169668), (3102, 6517880), (3760, 5377251), (4136, 4888410), (5170, 3910728), (5640, 3584834), (6204, 3258940), (7755, 2607152), (8272, 2444205), (10340, 1955364), (11280, 1792417), (12408, 1629470), (15510, 1303576), (20680, 977682), (24816, 814735), (31020, 651788), (41360, 488841), (62040, 325894), (124080, 162947)]