20009704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17491}}^1$

素因数の和:17521

約数の個数: 32

約数和(自身を含む): 44079840

約数和(自身を除く): 24070136

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17491, 34982, 69964, 139928, 192401, 227383, 384802, 454766, 769604, 909532, 1539208, 1819064, 2501213, 5002426, 10004852, 20009704]

約数ペア:

[(1, 20009704), (2, 10004852), (4, 5002426), (8, 2501213), (11, 1819064), (13, 1539208), (22, 909532), (26, 769604), (44, 454766), (52, 384802), (88, 227383), (104, 192401), (143, 139928), (286, 69964), (572, 34982), (1144, 17491)]