20011942

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4951}}^1$

素因数の和:5043

約数の個数: 16

約数和(自身を含む): 31375872

約数和(自身を除く): 11363930

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 4951, 9902, 212893, 232697, 425786, 465394, 10005971, 20011942]

約数ペア:

[(1, 20011942), (2, 10005971), (43, 465394), (47, 425786), (86, 232697), (94, 212893), (2021, 9902), (4042, 4951)]