20841652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{823}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 39406976

約数和(自身を除く): 18565324

約数列:

[1, 2, 4, 13, 26, 52, 487, 823, 974, 1646, 1948, 3292, 6331, 10699, 12662, 21398, 25324, 42796, 400801, 801602, 1603204, 5210413, 10420826, 20841652]

約数ペア:

[(1, 20841652), (2, 10420826), (4, 5210413), (13, 1603204), (26, 801602), (52, 400801), (487, 42796), (823, 25324), (974, 21398), (1646, 12662), (1948, 10699), (3292, 6331)]