20383400

素因数分解:

$2^3\times 5^2\times {\mathrm{101917}}^1$

素因数の和:101933

約数の個数: 24

約数和(自身を含む): 47391870

約数和(自身を除く): 27008470

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 101917, 203834, 407668, 509585, 815336, 1019170, 2038340, 2547925, 4076680, 5095850, 10191700, 20383400]

約数ペア:

[(1, 20383400), (2, 10191700), (4, 5095850), (5, 4076680), (8, 2547925), (10, 2038340), (20, 1019170), (25, 815336), (40, 509585), (50, 407668), (100, 203834), (200, 101917)]