20120028

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{12799}}^1$

素因数の和:12937

約数の個数: 24

約数和(自身を含む): 47308800

約数和(自身を除く): 27188772

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 12799, 25598, 38397, 51196, 76794, 153588, 1676669, 3353338, 5030007, 6706676, 10060014, 20120028]

約数ペア:

[(1, 20120028), (2, 10060014), (3, 6706676), (4, 5030007), (6, 3353338), (12, 1676669), (131, 153588), (262, 76794), (393, 51196), (524, 38397), (786, 25598), (1572, 12799)]