220847984

素因数分解:

$2^4\times 7^1\times {\mathrm{1971857}}^1$

素因数の和:1971872

約数の個数: 20

約数和(自身を含む): 489020784

約数和(自身を除く): 268172800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1971857, 3943714, 7887428, 13802999, 15774856, 27605998, 31549712, 55211996, 110423992, 220847984]

約数ペア:

[(1, 220847984), (2, 110423992), (4, 55211996), (7, 31549712), (8, 27605998), (14, 15774856), (16, 13802999), (28, 7887428), (56, 3943714), (112, 1971857)]