20087820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111599}}^1$

素因数の和:111614

約数の個数: 36

約数和(自身を含む): 60933600

約数和(自身を除く): 40845780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111599, 223198, 334797, 446396, 557995, 669594, 1004391, 1115990, 1339188, 1673985, 2008782, 2231980, 3347970, 4017564, 5021955, 6695940, 10043910, 20087820]

約数ペア:

[(1, 20087820), (2, 10043910), (3, 6695940), (4, 5021955), (5, 4017564), (6, 3347970), (9, 2231980), (10, 2008782), (12, 1673985), (15, 1339188), (18, 1115990), (20, 1004391), (30, 669594), (36, 557995), (45, 446396), (60, 334797), (90, 223198), (180, 111599)]