20740220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35759}}^1$

素因数の和:35797

約数の個数: 24

約数和(自身を含む): 45057600

約数和(自身を除く): 24317380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35759, 71518, 143036, 178795, 357590, 715180, 1037011, 2074022, 4148044, 5185055, 10370110, 20740220]

約数ペア:

[(1, 20740220), (2, 10370110), (4, 5185055), (5, 4148044), (10, 2074022), (20, 1037011), (29, 715180), (58, 357590), (116, 178795), (145, 143036), (290, 71518), (580, 35759)]