20698984

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{69929}}^1$

素因数の和:69972

約数の個数: 16

約数和(自身を含む): 39860100

約数和(自身を除く): 19161116

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 69929, 139858, 279716, 559432, 2587373, 5174746, 10349492, 20698984]

約数ペア:

[(1, 20698984), (2, 10349492), (4, 5174746), (8, 2587373), (37, 559432), (74, 279716), (148, 139858), (296, 69929)]