20138430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51637}}^1$

素因数の和:51660

約数の個数: 32

約数和(自身を含む): 52051104

約数和(自身を除く): 31912674

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51637, 103274, 154911, 258185, 309822, 516370, 671281, 774555, 1342562, 1549110, 2013843, 3356405, 4027686, 6712810, 10069215, 20138430]

約数ペア:

[(1, 20138430), (2, 10069215), (3, 6712810), (5, 4027686), (6, 3356405), (10, 2013843), (13, 1549110), (15, 1342562), (26, 774555), (30, 671281), (39, 516370), (65, 309822), (78, 258185), (130, 154911), (195, 103274), (390, 51637)]