20016380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34511}}^1$

素因数の和:34549

約数の個数: 24

約数和(自身を含む): 43485120

約数和(自身を除く): 23468740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34511, 69022, 138044, 172555, 345110, 690220, 1000819, 2001638, 4003276, 5004095, 10008190, 20016380]

約数ペア:

[(1, 20016380), (2, 10008190), (4, 5004095), (5, 4003276), (10, 2001638), (20, 1000819), (29, 690220), (58, 345110), (116, 172555), (145, 138044), (290, 69022), (580, 34511)]