20941150

素因数分解:

$2^1\times 5^2\times {\mathrm{491}}^1\times {\mathrm{853}}^1$

素因数の和:1356

約数の個数: 24

約数和(自身を含む): 39075624

約数和(自身を除く): 18134474

約数列:

[1, 2, 5, 10, 25, 50, 491, 853, 982, 1706, 2455, 4265, 4910, 8530, 12275, 21325, 24550, 42650, 418823, 837646, 2094115, 4188230, 10470575, 20941150]

約数ペア:

[(1, 20941150), (2, 10470575), (5, 4188230), (10, 2094115), (25, 837646), (50, 418823), (491, 42650), (853, 24550), (982, 21325), (1706, 12275), (2455, 8530), (4265, 4910)]