20207130280

素因数分解:

$2^3\times 5^1\times {\mathrm{3061}}^1\times {\mathrm{165037}}^1$

素因数の和:168109

約数の個数: 32

約数和(自身を含む): 45481172040

約数和(自身を除く): 25274041760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3061, 6122, 12244, 15305, 24488, 30610, 61220, 122440, 165037, 330074, 660148, 825185, 1320296, 1650370, 3300740, 6601480, 505178257, 1010356514, 2020713028, 2525891285, 4041426056, 5051782570, 10103565140, 20207130280]

約数ペア:

[(1, 20207130280), (2, 10103565140), (4, 5051782570), (5, 4041426056), (8, 2525891285), (10, 2020713028), (20, 1010356514), (40, 505178257), (3061, 6601480), (6122, 3300740), (12244, 1650370), (15305, 1320296), (24488, 825185), (30610, 660148), (61220, 330074), (122440, 165037)]