203475820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139367}}^1$

素因数の和:139449

約数の個数: 24

約数和(自身を含む): 433155744

約数和(自身を除く): 229679924

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 139367, 278734, 557468, 696835, 1393670, 2787340, 10173791, 20347582, 40695164, 50868955, 101737910, 203475820]

約数ペア:

[(1, 203475820), (2, 101737910), (4, 50868955), (5, 40695164), (10, 20347582), (20, 10173791), (73, 2787340), (146, 1393670), (292, 696835), (365, 557468), (730, 278734), (1460, 139367)]