20797221207

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{418043}}^1$

素因数の和:418179

約数の個数: 32

約数和(自身を含む): 33390010368

約数和(自身を除く): 12592789161

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 309, 483, 721, 2163, 2369, 7107, 16583, 49749, 418043, 1254129, 2926301, 8778903, 9614989, 28844967, 43058429, 67304923, 129175287, 201914769, 301409003, 904227009, 990343867, 2971031601, 6932407069, 20797221207]

約数ペア:

[(1, 20797221207), (3, 6932407069), (7, 2971031601), (21, 990343867), (23, 904227009), (69, 301409003), (103, 201914769), (161, 129175287), (309, 67304923), (483, 43058429), (721, 28844967), (2163, 9614989), (2369, 8778903), (7107, 2926301), (16583, 1254129), (49749, 418043)]