20199291993

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{103}}^2\times {\mathrm{2377}}^1$

素因数の和:2678

約数の個数: 36

約数和(自身を含む): 29806351380

約数和(自身を除く): 9607059387

約数列:

[1, 3, 9, 89, 103, 267, 309, 801, 927, 2377, 7131, 9167, 10609, 21393, 27501, 31827, 82503, 95481, 211553, 244831, 634659, 734493, 944201, 1903977, 2203479, 2832603, 8497809, 21789959, 25217593, 65369877, 75652779, 196109631, 226958337, 2244365777, 6733097331, 20199291993]

約数ペア:

[(1, 20199291993), (3, 6733097331), (9, 2244365777), (89, 226958337), (103, 196109631), (267, 75652779), (309, 65369877), (801, 25217593), (927, 21789959), (2377, 8497809), (7131, 2832603), (9167, 2203479), (10609, 1903977), (21393, 944201), (27501, 734493), (31827, 634659), (82503, 244831), (95481, 211553)]