20189365540

素因数分解:

$2^2\times 5^1\times {\mathrm{6529}}^1\times {\mathrm{154613}}^1$

素因数の和:161151

約数の個数: 24

約数和(自身を含む): 42404435640

約数和(自身を除く): 22215070100

約数列:

[1, 2, 4, 5, 10, 20, 6529, 13058, 26116, 32645, 65290, 130580, 154613, 309226, 618452, 773065, 1546130, 3092260, 1009468277, 2018936554, 4037873108, 5047341385, 10094682770, 20189365540]

約数ペア:

[(1, 20189365540), (2, 10094682770), (4, 5047341385), (5, 4037873108), (10, 2018936554), (20, 1009468277), (6529, 3092260), (13058, 1546130), (26116, 773065), (32645, 618452), (65290, 309226), (130580, 154613)]