17882020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68777}}^1$

素因数の和:68799

約数の個数: 24

約数和(自身を含む): 40441464

約数和(自身を除く): 22559444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68777, 137554, 275108, 343885, 687770, 894101, 1375540, 1788202, 3576404, 4470505, 8941010, 17882020]

約数ペア:

[(1, 17882020), (2, 8941010), (4, 4470505), (5, 3576404), (10, 1788202), (13, 1375540), (20, 894101), (26, 687770), (52, 343885), (65, 275108), (130, 137554), (260, 68777)]