20408976005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1831}}^1\times {\mathrm{202661}}^1$

素因数の和:204508

約数の個数: 16

約数和(自身を含む): 26731928448

約数和(自身を除く): 6322952443

約数列:

[1, 5, 11, 55, 1831, 9155, 20141, 100705, 202661, 1013305, 2229271, 11146355, 371072291, 1855361455, 4081795201, 20408976005]

約数ペア:

[(1, 20408976005), (5, 4081795201), (11, 1855361455), (55, 371072291), (1831, 11146355), (9155, 2229271), (20141, 1013305), (100705, 202661)]