20864820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347747}}^1$

素因数の和:347759

約数の個数: 24

約数和(自身を含む): 58421664

約数和(自身を除く): 37556844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347747, 695494, 1043241, 1390988, 1738735, 2086482, 3477470, 4172964, 5216205, 6954940, 10432410, 20864820]

約数ペア:

[(1, 20864820), (2, 10432410), (3, 6954940), (4, 5216205), (5, 4172964), (6, 3477470), (10, 2086482), (12, 1738735), (15, 1390988), (20, 1043241), (30, 695494), (60, 347747)]