20513910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18481}}^1$

素因数の和:18528

約数の個数: 32

約数和(自身を含む): 50566752

約数和(自身を除く): 30052842

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18481, 36962, 55443, 92405, 110886, 184810, 277215, 554430, 683797, 1367594, 2051391, 3418985, 4102782, 6837970, 10256955, 20513910]

約数ペア:

[(1, 20513910), (2, 10256955), (3, 6837970), (5, 4102782), (6, 3418985), (10, 2051391), (15, 1367594), (30, 683797), (37, 554430), (74, 277215), (111, 184810), (185, 110886), (222, 92405), (370, 55443), (555, 36962), (1110, 18481)]