20675593920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{154943}}^1$

素因数の和:155102

約数の個数: 112

約数和(自身を含む): 66117703680

約数和(自身を除く): 45442109760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 139, 160, 192, 240, 278, 320, 417, 480, 556, 695, 834, 960, 1112, 1390, 1668, 2085, 2224, 2780, 3336, 4170, 4448, 5560, 6672, 8340, 8896, 11120, 13344, 16680, 22240, 26688, 33360, 44480, 66720, 133440, 154943, 309886, 464829, 619772, 774715, 929658, 1239544, 1549430, 1859316, 2324145, 2479088, 3098860, 3718632, 4648290, 4958176, 6197720, 7437264, 9296580, 9916352, 12395440, 14874528, 18593160, 21537077, 24790880, 29749056, 37186320, 43074154, 49581760, 64611231, 74372640, 86148308, 107685385, 129222462, 148745280, 172296616, 215370770, 258444924, 323056155, 344593232, 430741540, 516889848, 646112310, 689186464, 861483080, 1033779696, 1292224620, 1378372928, 1722966160, 2067559392, 2584449240, 3445932320, 4135118784, 5168898480, 6891864640, 10337796960, 20675593920]

約数ペア:

[(1, 20675593920), (2, 10337796960), (3, 6891864640), (4, 5168898480), (5, 4135118784), (6, 3445932320), (8, 2584449240), (10, 2067559392), (12, 1722966160), (15, 1378372928), (16, 1292224620), (20, 1033779696), (24, 861483080), (30, 689186464), (32, 646112310), (40, 516889848), (48, 430741540), (60, 344593232), (64, 323056155), (80, 258444924), (96, 215370770), (120, 172296616), (139, 148745280), (160, 129222462), (192, 107685385), (240, 86148308), (278, 74372640), (320, 64611231), (417, 49581760), (480, 43074154), (556, 37186320), (695, 29749056), (834, 24790880), (960, 21537077), (1112, 18593160), (1390, 14874528), (1668, 12395440), (2085, 9916352), (2224, 9296580), (2780, 7437264), (3336, 6197720), (4170, 4958176), (4448, 4648290), (5560, 3718632), (6672, 3098860), (8340, 2479088), (8896, 2324145), (11120, 1859316), (13344, 1549430), (16680, 1239544), (22240, 929658), (26688, 774715), (33360, 619772), (44480, 464829), (66720, 309886), (133440, 154943)]