20787142

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1801}}^1$

素因数の和:2031

約数の個数: 16

約数和(自身を含む): 32436000

約数和(自身を除く): 11648858

約数列:

[1, 2, 29, 58, 199, 398, 1801, 3602, 5771, 11542, 52229, 104458, 358399, 716798, 10393571, 20787142]

約数ペア:

[(1, 20787142), (2, 10393571), (29, 716798), (58, 358399), (199, 104458), (398, 52229), (1801, 11542), (3602, 5771)]