20002606

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4447}}^1$

素因数の和:4635

約数の個数: 16

約数和(自身を含む): 32505984

約数和(自身を除く): 12503378

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4447, 4498, 8894, 57811, 115622, 769331, 1538662, 10001303, 20002606]

約数ペア:

[(1, 20002606), (2, 10001303), (13, 1538662), (26, 769331), (173, 115622), (346, 57811), (2249, 8894), (4447, 4498)]