20121309993

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{4241}}^1\times {\mathrm{42743}}^1$

素因数の和:47024

約数の個数: 16

約数和(自身を含む): 27560647296

約数和(自身を除く): 7439337303

約数列:

[1, 3, 37, 111, 4241, 12723, 42743, 128229, 156917, 470751, 1581491, 4744473, 181273063, 543819189, 6707103331, 20121309993]

約数ペア:

[(1, 20121309993), (3, 6707103331), (37, 543819189), (111, 181273063), (4241, 4744473), (12723, 1581491), (42743, 470751), (128229, 156917)]