20105854

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{601}}^1$

素因数の和:1035

約数の個数: 16

約数和(自身を含む): 30990960

約数和(自身を除く): 10885106

約数列:

[1, 2, 43, 86, 389, 601, 778, 1202, 16727, 25843, 33454, 51686, 233789, 467578, 10052927, 20105854]

約数ペア:

[(1, 20105854), (2, 10052927), (43, 467578), (86, 233789), (389, 51686), (601, 33454), (778, 25843), (1202, 16727)]