20348919370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{363179}}^1$

素因数の和:363630

約数の個数: 32

約数和(自身を含む): 39537227520

約数和(自身を除く): 19188308150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 862, 2155, 4310, 5603, 11206, 28015, 56030, 363179, 726358, 1815895, 3631790, 4721327, 9442654, 23606635, 47213270, 156530149, 313060298, 782650745, 1565301490, 2034891937, 4069783874, 10174459685, 20348919370]

約数ペア:

[(1, 20348919370), (2, 10174459685), (5, 4069783874), (10, 2034891937), (13, 1565301490), (26, 782650745), (65, 313060298), (130, 156530149), (431, 47213270), (862, 23606635), (2155, 9442654), (4310, 4721327), (5603, 3631790), (11206, 1815895), (28015, 726358), (56030, 363179)]