20307658

素因数分解:

$2^1\times 7^4\times {\mathrm{4229}}^1$

素因数の和:4259

約数の個数: 20

約数和(自身を含む): 35544690

約数和(自身を除く): 15237032

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4229, 4802, 8458, 29603, 59206, 207221, 414442, 1450547, 2901094, 10153829, 20307658]

約数ペア:

[(1, 20307658), (2, 10153829), (7, 2901094), (14, 1450547), (49, 414442), (98, 207221), (343, 59206), (686, 29603), (2401, 8458), (4229, 4802)]