20602011

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 30578688

約数和(自身を除く): 9976677

約数列:

[1, 3, 17, 31, 51, 83, 93, 157, 249, 471, 527, 1411, 1581, 2573, 2669, 4233, 4867, 7719, 8007, 13031, 14601, 39093, 43741, 82739, 131223, 221527, 248217, 403961, 664581, 1211883, 6867337, 20602011]

約数ペア:

[(1, 20602011), (3, 6867337), (17, 1211883), (31, 664581), (51, 403961), (83, 248217), (93, 221527), (157, 131223), (249, 82739), (471, 43741), (527, 39093), (1411, 14601), (1581, 13031), (2573, 8007), (2669, 7719), (4233, 4867)]