20894174

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 37195200

約数和(自身を除く): 16301026

約数列:

[1, 2, 7, 14, 41, 82, 89, 178, 287, 409, 574, 623, 818, 1246, 2863, 3649, 5726, 7298, 16769, 25543, 33538, 36401, 51086, 72802, 117383, 234766, 254807, 509614, 1492441, 2984882, 10447087, 20894174]

約数ペア:

[(1, 20894174), (2, 10447087), (7, 2984882), (14, 1492441), (41, 509614), (82, 254807), (89, 234766), (178, 117383), (287, 72802), (409, 51086), (574, 36401), (623, 33538), (818, 25543), (1246, 16769), (2863, 7298), (3649, 5726)]