20016568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17497}}^1$

素因数の和:17527

約数の個数: 32

約数和(自身を含む): 44094960

約数和(自身を除く): 24078392

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17497, 34994, 69988, 139976, 192467, 227461, 384934, 454922, 769868, 909844, 1539736, 1819688, 2502071, 5004142, 10008284, 20016568]

約数ペア:

[(1, 20016568), (2, 10008284), (4, 5004142), (8, 2502071), (11, 1819688), (13, 1539736), (22, 909844), (26, 769868), (44, 454922), (52, 384934), (88, 227461), (104, 192467), (143, 139976), (286, 69988), (572, 34994), (1144, 17497)]