20446540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44449}}^1$

素因数の和:44481

約数の個数: 24

約数和(自身を含む): 44805600

約数和(自身を除く): 24359060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44449, 88898, 177796, 222245, 444490, 888980, 1022327, 2044654, 4089308, 5111635, 10223270, 20446540]

約数ペア:

[(1, 20446540), (2, 10223270), (4, 5111635), (5, 4089308), (10, 2044654), (20, 1022327), (23, 888980), (46, 444490), (92, 222245), (115, 177796), (230, 88898), (460, 44449)]