207980980

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{8573}}^1$

素因数の和:9795

約数の個数: 24

約数和(自身を含む): 437171112

約数和(自身を除く): 229190132

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 4852, 6065, 8573, 12130, 17146, 24260, 34292, 42865, 85730, 171460, 10399049, 20798098, 41596196, 51995245, 103990490, 207980980]

約数ペア:

[(1, 207980980), (2, 103990490), (4, 51995245), (5, 41596196), (10, 20798098), (20, 10399049), (1213, 171460), (2426, 85730), (4852, 42865), (6065, 34292), (8573, 24260), (12130, 17146)]