20631360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21491}}^1$

素因数の和:21511

約数の個数: 56

約数和(自身を含む): 65507616

約数和(自身を除く): 44876256

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, 160, 192, 240, 320, 480, 960, 21491, 42982, 64473, 85964, 107455, 128946, 171928, 214910, 257892, 322365, 343856, 429820, 515784, 644730, 687712, 859640, 1031568, 1289460, 1375424, 1719280, 2063136, 2578920, 3438560, 4126272, 5157840, 6877120, 10315680, 20631360]

約数ペア:

[(1, 20631360), (2, 10315680), (3, 6877120), (4, 5157840), (5, 4126272), (6, 3438560), (8, 2578920), (10, 2063136), (12, 1719280), (15, 1375424), (16, 1289460), (20, 1031568), (24, 859640), (30, 687712), (32, 644730), (40, 515784), (48, 429820), (60, 343856), (64, 322365), (80, 257892), (96, 214910), (120, 171928), (160, 128946), (192, 107455), (240, 85964), (320, 64473), (480, 42982), (960, 21491)]