15647020

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1951}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 32957568

約数和(自身を除く): 17310548

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 1951, 2005, 3902, 4010, 7804, 8020, 9755, 19510, 39020, 782351, 1564702, 3129404, 3911755, 7823510, 15647020]

約数ペア:

[(1, 15647020), (2, 7823510), (4, 3911755), (5, 3129404), (10, 1564702), (20, 782351), (401, 39020), (802, 19510), (1604, 9755), (1951, 8020), (2005, 7804), (3902, 4010)]