20310405220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145074323}}^1$

素因数の和:145074339

約数の個数: 24

約数和(自身を含む): 48744972864

約数和(自身を除く): 28434567644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145074323, 290148646, 580297292, 725371615, 1015520261, 1450743230, 2031040522, 2901486460, 4062081044, 5077601305, 10155202610, 20310405220]

約数ペア:

[(1, 20310405220), (2, 10155202610), (4, 5077601305), (5, 4062081044), (7, 2901486460), (10, 2031040522), (14, 1450743230), (20, 1015520261), (28, 725371615), (35, 580297292), (70, 290148646), (140, 145074323)]