20163563984

素因数分解:

$2^4\times {\mathrm{4159}}^1\times {\mathrm{303011}}^1$

素因数の和:307178

約数の個数: 20

約数和(自身を含む): 39076427520

約数和(自身を除く): 18912863536

約数列:

[1, 2, 4, 8, 16, 4159, 8318, 16636, 33272, 66544, 303011, 606022, 1212044, 2424088, 4848176, 1260222749, 2520445498, 5040890996, 10081781992, 20163563984]

約数ペア:

[(1, 20163563984), (2, 10081781992), (4, 5040890996), (8, 2520445498), (16, 1260222749), (4159, 4848176), (8318, 2424088), (16636, 1212044), (33272, 606022), (66544, 303011)]