20636860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14533}}^1$

素因数の和:14613

約数の個数: 24

約数和(自身を含む): 43950816

約数和(自身を除く): 23313956

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14533, 29066, 58132, 72665, 145330, 290660, 1031843, 2063686, 4127372, 5159215, 10318430, 20636860]

約数ペア:

[(1, 20636860), (2, 10318430), (4, 5159215), (5, 4127372), (10, 2063686), (20, 1031843), (71, 290660), (142, 145330), (284, 72665), (355, 58132), (710, 29066), (1420, 14533)]