20565168

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32957}}^1$

素因数の和:32981

約数の個数: 40

約数和(自身を含む): 57215088

約数和(自身を除く): 36649920

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32957, 65914, 98871, 131828, 197742, 263656, 395484, 428441, 527312, 790968, 856882, 1285323, 1581936, 1713764, 2570646, 3427528, 5141292, 6855056, 10282584, 20565168]

約数ペア:

[(1, 20565168), (2, 10282584), (3, 6855056), (4, 5141292), (6, 3427528), (8, 2570646), (12, 1713764), (13, 1581936), (16, 1285323), (24, 856882), (26, 790968), (39, 527312), (48, 428441), (52, 395484), (78, 263656), (104, 197742), (156, 131828), (208, 98871), (312, 65914), (624, 32957)]