31364020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11971}}^1$

素因数の和:12111

約数の個数: 24

約数和(自身を含む): 66372768

約数和(自身を除く): 35008748

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 11971, 23942, 47884, 59855, 119710, 239420, 1568201, 3136402, 6272804, 7841005, 15682010, 31364020]

約数ペア:

[(1, 31364020), (2, 15682010), (4, 7841005), (5, 6272804), (10, 3136402), (20, 1568201), (131, 239420), (262, 119710), (524, 59855), (655, 47884), (1310, 23942), (2620, 11971)]