20215705433

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{89513}}^1$

素因数の和:89957

約数の個数: 24

約数和(自身を含む): 25715581920

約数和(自身を除く): 5499876487

約数列:

[1, 7, 11, 49, 77, 419, 539, 2933, 4609, 20531, 32263, 89513, 225841, 626591, 984643, 4386137, 6892501, 37505947, 48247507, 262541629, 412565417, 1837791403, 2887957919, 20215705433]

約数ペア:

[(1, 20215705433), (7, 2887957919), (11, 1837791403), (49, 412565417), (77, 262541629), (419, 48247507), (539, 37505947), (2933, 6892501), (4609, 4386137), (20531, 984643), (32263, 626591), (89513, 225841)]