20320404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130259}}^1$

素因数の和:130279

約数の個数: 24

約数和(自身を含む): 51061920

約数和(自身を除く): 30741516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130259, 260518, 390777, 521036, 781554, 1563108, 1693367, 3386734, 5080101, 6773468, 10160202, 20320404]

約数ペア:

[(1, 20320404), (2, 10160202), (3, 6773468), (4, 5080101), (6, 3386734), (12, 1693367), (13, 1563108), (26, 781554), (39, 521036), (52, 390777), (78, 260518), (156, 130259)]