20347938723

素因数分解:

$3^1\times 7^1\times {\mathrm{7417}}^1\times {\mathrm{130639}}^1$

素因数の和:138066

約数の個数: 16

約数和(自身を含む): 31010800640

約数和(自身を除く): 10662861917

約数列:

[1, 3, 7, 21, 7417, 22251, 51919, 130639, 155757, 391917, 914473, 2743419, 968949463, 2906848389, 6782646241, 20347938723]

約数ペア:

[(1, 20347938723), (3, 6782646241), (7, 2906848389), (21, 968949463), (7417, 2743419), (22251, 914473), (51919, 391917), (130639, 155757)]