20550374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 13995802

約数列:

[1, 2, 13, 26, 47, 67, 94, 134, 251, 502, 611, 871, 1222, 1742, 3149, 3263, 6298, 6526, 11797, 16817, 23594, 33634, 40937, 81874, 153361, 218621, 306722, 437242, 790399, 1580798, 10275187, 20550374]

約数ペア:

[(1, 20550374), (2, 10275187), (13, 1580798), (26, 790399), (47, 437242), (67, 306722), (94, 218621), (134, 153361), (251, 81874), (502, 40937), (611, 33634), (871, 23594), (1222, 16817), (1742, 11797), (3149, 6526), (3263, 6298)]