20163853670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{136769}}^1$

素因数の和:137440

約数の個数: 32

約数和(自身を含む): 37932338880

約数和(自身を除く): 17768485210

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 641, 1282, 3205, 6410, 14743, 29486, 73715, 136769, 147430, 273538, 683845, 1367690, 3145687, 6291374, 15728435, 31456870, 87668929, 175337858, 438344645, 876689290, 2016385367, 4032770734, 10081926835, 20163853670]

約数ペア:

[(1, 20163853670), (2, 10081926835), (5, 4032770734), (10, 2016385367), (23, 876689290), (46, 438344645), (115, 175337858), (230, 87668929), (641, 31456870), (1282, 15728435), (3205, 6291374), (6410, 3145687), (14743, 1367690), (29486, 683845), (73715, 273538), (136769, 147430)]