20643016

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 19100984

約数列:

[1, 2, 4, 8, 79, 89, 158, 178, 316, 356, 367, 632, 712, 734, 1468, 2936, 7031, 14062, 28124, 28993, 32663, 56248, 57986, 65326, 115972, 130652, 231944, 261304, 2580377, 5160754, 10321508, 20643016]

約数ペア:

[(1, 20643016), (2, 10321508), (4, 5160754), (8, 2580377), (79, 261304), (89, 231944), (158, 130652), (178, 115972), (316, 65326), (356, 57986), (367, 56248), (632, 32663), (712, 28993), (734, 28124), (1468, 14062), (2936, 7031)]