20113820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34679}}^1$

素因数の和:34717

約数の個数: 24

約数和(自身を含む): 43696800

約数和(自身を除く): 23582980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34679, 69358, 138716, 173395, 346790, 693580, 1005691, 2011382, 4022764, 5028455, 10056910, 20113820]

約数ペア:

[(1, 20113820), (2, 10056910), (4, 5028455), (5, 4022764), (10, 2011382), (20, 1005691), (29, 693580), (58, 346790), (116, 173395), (145, 138716), (290, 69358), (580, 34679)]