20791497608

素因数分解:

$2^3\times 7^1\times {\mathrm{4111}}^1\times {\mathrm{90313}}^1$

素因数の和:94437

約数の個数: 32

約数和(自身を含む): 44564540160

約数和(自身を除く): 23773042552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4111, 8222, 16444, 28777, 32888, 57554, 90313, 115108, 180626, 230216, 361252, 632191, 722504, 1264382, 2528764, 5057528, 371276743, 742553486, 1485106972, 2598937201, 2970213944, 5197874402, 10395748804, 20791497608]

約数ペア:

[(1, 20791497608), (2, 10395748804), (4, 5197874402), (7, 2970213944), (8, 2598937201), (14, 1485106972), (28, 742553486), (56, 371276743), (4111, 5057528), (8222, 2528764), (16444, 1264382), (28777, 722504), (32888, 632191), (57554, 361252), (90313, 230216), (115108, 180626)]