20154950

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2473}}^1$

素因数の和:2648

約数の個数: 24

約数和(自身を含む): 37733448

約数和(自身を除く): 17578498

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 2473, 4075, 4946, 8150, 12365, 24730, 61825, 123650, 403099, 806198, 2015495, 4030990, 10077475, 20154950]

約数ペア:

[(1, 20154950), (2, 10077475), (5, 4030990), (10, 2015495), (25, 806198), (50, 403099), (163, 123650), (326, 61825), (815, 24730), (1630, 12365), (2473, 8150), (4075, 4946)]