20257080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5821}}^1$

素因数の和:5864

約数の個数: 64

約数和(自身を含む): 62877600

約数和(自身を除く): 42620520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 5821, 11642, 17463, 23284, 29105, 34926, 46568, 58210, 69852, 87315, 116420, 139704, 168809, 174630, 232840, 337618, 349260, 506427, 675236, 698520, 844045, 1012854, 1350472, 1688090, 2025708, 2532135, 3376180, 4051416, 5064270, 6752360, 10128540, 20257080]

約数ペア:

[(1, 20257080), (2, 10128540), (3, 6752360), (4, 5064270), (5, 4051416), (6, 3376180), (8, 2532135), (10, 2025708), (12, 1688090), (15, 1350472), (20, 1012854), (24, 844045), (29, 698520), (30, 675236), (40, 506427), (58, 349260), (60, 337618), (87, 232840), (116, 174630), (120, 168809), (145, 139704), (174, 116420), (232, 87315), (290, 69852), (348, 58210), (435, 46568), (580, 34926), (696, 29105), (870, 23284), (1160, 17463), (1740, 11642), (3480, 5821)]