19882920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2473}}^1$

素因数の和:2554

約数の個数: 64

約数和(自身を含む): 60563520

約数和(自身を除く): 40680600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2473, 2680, 4020, 4946, 7419, 8040, 9892, 12365, 14838, 19784, 24730, 29676, 37095, 49460, 59352, 74190, 98920, 148380, 165691, 296760, 331382, 497073, 662764, 828455, 994146, 1325528, 1656910, 1988292, 2485365, 3313820, 3976584, 4970730, 6627640, 9941460, 19882920]

約数ペア:

[(1, 19882920), (2, 9941460), (3, 6627640), (4, 4970730), (5, 3976584), (6, 3313820), (8, 2485365), (10, 1988292), (12, 1656910), (15, 1325528), (20, 994146), (24, 828455), (30, 662764), (40, 497073), (60, 331382), (67, 296760), (120, 165691), (134, 148380), (201, 98920), (268, 74190), (335, 59352), (402, 49460), (536, 37095), (670, 29676), (804, 24730), (1005, 19784), (1340, 14838), (1608, 12365), (2010, 9892), (2473, 8040), (2680, 7419), (4020, 4946)]