20339384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{877}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 41301120

約数和(自身を除く): 20961736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 223, 446, 877, 892, 1754, 1784, 2899, 3508, 5798, 7016, 11401, 11596, 22802, 23192, 45604, 91208, 195571, 391142, 782284, 1564568, 2542423, 5084846, 10169692, 20339384]

約数ペア:

[(1, 20339384), (2, 10169692), (4, 5084846), (8, 2542423), (13, 1564568), (26, 782284), (52, 391142), (104, 195571), (223, 91208), (446, 45604), (877, 23192), (892, 22802), (1754, 11596), (1784, 11401), (2899, 7016), (3508, 5798)]