20123143984

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4351891}}^1$

素因数の和:4351933

約数の個数: 30

約数和(自身を含む): 41416956164

約数和(自身を除く): 21293812180

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 4351891, 8703782, 17407564, 34815128, 69630256, 73982147, 147964294, 295928588, 591857176, 1183714352, 1257696499, 2515392998, 5030785996, 10061571992, 20123143984]

約数ペア:

[(1, 20123143984), (2, 10061571992), (4, 5030785996), (8, 2515392998), (16, 1257696499), (17, 1183714352), (34, 591857176), (68, 295928588), (136, 147964294), (272, 73982147), (289, 69630256), (578, 34815128), (1156, 17407564), (2312, 8703782), (4624, 4351891)]