20678476

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56809}}^1$

素因数の和:56833

約数の個数: 24

約数和(自身を含む): 44539040

約数和(自身を除く): 23860564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56809, 113618, 227236, 397663, 738517, 795326, 1477034, 1590652, 2954068, 5169619, 10339238, 20678476]

約数ペア:

[(1, 20678476), (2, 10339238), (4, 5169619), (7, 2954068), (13, 1590652), (14, 1477034), (26, 795326), (28, 738517), (52, 397663), (91, 227236), (182, 113618), (364, 56809)]