20312604

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43403}}^1$

素因数の和:43426

約数の個数: 36

約数和(自身を含む): 55296696

約数和(自身を除く): 34984092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43403, 86806, 130209, 173612, 260418, 390627, 520836, 564239, 781254, 1128478, 1562508, 1692717, 2256956, 3385434, 5078151, 6770868, 10156302, 20312604]

約数ペア:

[(1, 20312604), (2, 10156302), (3, 6770868), (4, 5078151), (6, 3385434), (9, 2256956), (12, 1692717), (13, 1562508), (18, 1128478), (26, 781254), (36, 564239), (39, 520836), (52, 390627), (78, 260418), (117, 173612), (156, 130209), (234, 86806), (468, 43403)]