20178393987

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1\times {\mathrm{51473}}^1$

素因数の和:52502

約数の個数: 16

約数和(自身を含む): 27116503200

約数和(自身を除く): 6938109213

約数列:

[1, 3, 149, 447, 877, 2631, 51473, 130673, 154419, 392019, 7669477, 23008431, 45141821, 135425463, 6726131329, 20178393987]

約数ペア:

[(1, 20178393987), (3, 6726131329), (149, 135425463), (447, 45141821), (877, 23008431), (2631, 7669477), (51473, 392019), (130673, 154419)]