20797998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266641}}^1$

素因数の和:266659

約数の個数: 16

約数和(自身を含む): 44795856

約数和(自身を除く): 23997858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266641, 533282, 799923, 1599846, 3466333, 6932666, 10398999, 20797998]

約数ペア:

[(1, 20797998), (2, 10398999), (3, 6932666), (6, 3466333), (13, 1599846), (26, 799923), (39, 533282), (78, 266641)]