20129711270

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19543409}}^1$

素因数の和:19543519

約数の個数: 16

約数和(自身を含む): 36585263520

約数和(自身を除く): 16455552250

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 19543409, 39086818, 97717045, 195434090, 2012971127, 4025942254, 10064855635, 20129711270]

約数ペア:

[(1, 20129711270), (2, 10064855635), (5, 4025942254), (10, 2012971127), (103, 195434090), (206, 97717045), (515, 39086818), (1030, 19543409)]