20189242540

素因数分解:

$2^2\times 5^1\times {\mathrm{10399}}^1\times {\mathrm{97073}}^1$

素因数の和:107481

約数の個数: 24

約数和(自身を含む): 42401923200

約数和(自身を除く): 22212680660

約数列:

[1, 2, 4, 5, 10, 20, 10399, 20798, 41596, 51995, 97073, 103990, 194146, 207980, 388292, 485365, 970730, 1941460, 1009462127, 2018924254, 4037848508, 5047310635, 10094621270, 20189242540]

約数ペア:

[(1, 20189242540), (2, 10094621270), (4, 5047310635), (5, 4037848508), (10, 2018924254), (20, 1009462127), (10399, 1941460), (20798, 970730), (41596, 485365), (51995, 388292), (97073, 207980), (103990, 194146)]