20925620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33751}}^1$

素因数の和:33791

約数の個数: 24

約数和(自身を含む): 45362688

約数和(自身を除く): 24437068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33751, 67502, 135004, 168755, 337510, 675020, 1046281, 2092562, 4185124, 5231405, 10462810, 20925620]

約数ペア:

[(1, 20925620), (2, 10462810), (4, 5231405), (5, 4185124), (10, 2092562), (20, 1046281), (31, 675020), (62, 337510), (124, 168755), (155, 135004), (310, 67502), (620, 33751)]