20798907820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{674851}}^1$

素因数の和:674950

約数の個数: 48

約数和(自身を含む): 46257055488

約数和(自身を除く): 25458147668

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 670, 1340, 1541, 3082, 6164, 7705, 15410, 30820, 674851, 1349702, 2699404, 3374255, 6748510, 13497020, 15521573, 31043146, 45215017, 62086292, 77607865, 90430034, 155215730, 180860068, 226075085, 310431460, 452150170, 904300340, 1039945391, 2079890782, 4159781564, 5199726955, 10399453910, 20798907820]

約数ペア:

[(1, 20798907820), (2, 10399453910), (4, 5199726955), (5, 4159781564), (10, 2079890782), (20, 1039945391), (23, 904300340), (46, 452150170), (67, 310431460), (92, 226075085), (115, 180860068), (134, 155215730), (230, 90430034), (268, 77607865), (335, 62086292), (460, 45215017), (670, 31043146), (1340, 15521573), (1541, 13497020), (3082, 6748510), (6164, 3374255), (7705, 2699404), (15410, 1349702), (30820, 674851)]