20121637893

素因数分解:

$3^1\times 7^1\times {\mathrm{3457}}^1\times {\mathrm{277169}}^1$

素因数の和:280636

約数の個数: 16

約数和(自身を含む): 30670523520

約数和(自身を除く): 10548885627

約数列:

[1, 3, 7, 21, 3457, 10371, 24199, 72597, 277169, 831507, 1940183, 5820549, 958173233, 2874519699, 6707212631, 20121637893]

約数ペア:

[(1, 20121637893), (3, 6707212631), (7, 2874519699), (21, 958173233), (3457, 5820549), (10371, 1940183), (24199, 831507), (72597, 277169)]