20711416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6361}}^1$

素因数の和:6415

約数の個数: 32

約数和(自身を含む): 43516080

約数和(自身を除く): 22804664

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6361, 12722, 25444, 50888, 69971, 139942, 235357, 279884, 470714, 559768, 941428, 1882856, 2588927, 5177854, 10355708, 20711416]

約数ペア:

[(1, 20711416), (2, 10355708), (4, 5177854), (8, 2588927), (11, 1882856), (22, 941428), (37, 559768), (44, 470714), (74, 279884), (88, 235357), (148, 139942), (296, 69971), (407, 50888), (814, 25444), (1628, 12722), (3256, 6361)]