20198991029

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1\times {\mathrm{5869}}^1$

素因数の和:6237

約数の個数: 32

約数和(自身を含む): 24625824000

約数和(自身を除く): 4426832971

約数列:

[1, 7, 19, 113, 133, 229, 791, 1603, 2147, 4351, 5869, 15029, 25877, 30457, 41083, 111511, 181139, 491663, 663197, 780577, 1344001, 3441641, 4642379, 9408007, 12600743, 25536019, 88205201, 151872113, 178752133, 1063104791, 2885570147, 20198991029]

約数ペア:

[(1, 20198991029), (7, 2885570147), (19, 1063104791), (113, 178752133), (133, 151872113), (229, 88205201), (791, 25536019), (1603, 12600743), (2147, 9408007), (4351, 4642379), (5869, 3441641), (15029, 1344001), (25877, 780577), (30457, 663197), (41083, 491663), (111511, 181139)]