20120031530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{525739}}^1$

素因数の和:525878

約数の個数: 32

約数和(自身を含む): 37474747200

約数和(自身を除く): 17354715670

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 3827, 7654, 19135, 38270, 525739, 1051478, 2628695, 5257390, 22606777, 45213554, 46790771, 93581542, 113033885, 226067770, 233953855, 467907710, 2012003153, 4024006306, 10060015765, 20120031530]

約数ペア:

[(1, 20120031530), (2, 10060015765), (5, 4024006306), (10, 2012003153), (43, 467907710), (86, 233953855), (89, 226067770), (178, 113033885), (215, 93581542), (430, 46790771), (445, 45213554), (890, 22606777), (3827, 5257390), (7654, 2628695), (19135, 1051478), (38270, 525739)]