20281156

素因数分解:

$2^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3163}}^1$

素因数の和:3403

約数の個数: 24

約数和(自身を含む): 40752320

約数和(自身を除く): 20471164

約数列:

[1, 2, 4, 7, 14, 28, 229, 458, 916, 1603, 3163, 3206, 6326, 6412, 12652, 22141, 44282, 88564, 724327, 1448654, 2897308, 5070289, 10140578, 20281156]

約数ペア:

[(1, 20281156), (2, 10140578), (4, 5070289), (7, 2897308), (14, 1448654), (28, 724327), (229, 88564), (458, 44282), (916, 22141), (1603, 12652), (3163, 6412), (3206, 6326)]