123392020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101141}}^1$

素因数の和:101211

約数の個数: 24

約数和(自身を含む): 263373768

約数和(自身を除く): 139981748

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 101141, 202282, 404564, 505705, 1011410, 2022820, 6169601, 12339202, 24678404, 30848005, 61696010, 123392020]

約数ペア:

[(1, 123392020), (2, 61696010), (4, 30848005), (5, 24678404), (10, 12339202), (20, 6169601), (61, 2022820), (122, 1011410), (244, 505705), (305, 404564), (610, 202282), (1220, 101141)]