20790460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33533}}^1$

素因数の和:33573

約数の個数: 24

約数和(自身を含む): 45069696

約数和(自身を除く): 24279236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33533, 67066, 134132, 167665, 335330, 670660, 1039523, 2079046, 4158092, 5197615, 10395230, 20790460]

約数ペア:

[(1, 20790460), (2, 10395230), (4, 5197615), (5, 4158092), (10, 2079046), (20, 1039523), (31, 670660), (62, 335330), (124, 167665), (155, 134132), (310, 67066), (620, 33533)]