20894350

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{18169}}^1$

素因数の和:18204

約数の個数: 24

約数和(自身を含む): 40555440

約数和(自身を除く): 19661090

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 18169, 36338, 90845, 181690, 417887, 454225, 835774, 908450, 2089435, 4178870, 10447175, 20894350]

約数ペア:

[(1, 20894350), (2, 10447175), (5, 4178870), (10, 2089435), (23, 908450), (25, 835774), (46, 454225), (50, 417887), (115, 181690), (230, 90845), (575, 36338), (1150, 18169)]