20613360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85889}}^1$

素因数の和:85905

約数の個数: 40

約数和(自身を含む): 63902160

約数和(自身を除く): 43288800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85889, 171778, 257667, 343556, 429445, 515334, 687112, 858890, 1030668, 1288335, 1374224, 1717780, 2061336, 2576670, 3435560, 4122672, 5153340, 6871120, 10306680, 20613360]

約数ペア:

[(1, 20613360), (2, 10306680), (3, 6871120), (4, 5153340), (5, 4122672), (6, 3435560), (8, 2576670), (10, 2061336), (12, 1717780), (15, 1374224), (16, 1288335), (20, 1030668), (24, 858890), (30, 687112), (40, 515334), (48, 429445), (60, 343556), (80, 257667), (120, 171778), (240, 85889)]