20508664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13709}}^1$

素因数の和:13743

約数の個数: 32

約数和(自身を含む): 44420400

約数和(自身を除く): 23911736

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13709, 27418, 54836, 109672, 150799, 233053, 301598, 466106, 603196, 932212, 1206392, 1864424, 2563583, 5127166, 10254332, 20508664]

約数ペア:

[(1, 20508664), (2, 10254332), (4, 5127166), (8, 2563583), (11, 1864424), (17, 1206392), (22, 932212), (34, 603196), (44, 466106), (68, 301598), (88, 233053), (136, 150799), (187, 109672), (374, 54836), (748, 27418), (1496, 13709)]