20783122521

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{701}}^1\times {\mathrm{6691}}^1$

素因数の和:7613

約数の個数: 32

約数和(自身を含む): 31869766656

約数和(自身を除く): 11086644135

約数列:

[1, 3, 7, 21, 211, 633, 701, 1477, 2103, 4431, 4907, 6691, 14721, 20073, 46837, 140511, 147911, 443733, 1035377, 1411801, 3106131, 4235403, 4690391, 9882607, 14071173, 29647821, 32832737, 98498211, 989672501, 2969017503, 6927707507, 20783122521]

約数ペア:

[(1, 20783122521), (3, 6927707507), (7, 2969017503), (21, 989672501), (211, 98498211), (633, 32832737), (701, 29647821), (1477, 14071173), (2103, 9882607), (4431, 4690391), (4907, 4235403), (6691, 3106131), (14721, 1411801), (20073, 1035377), (46837, 443733), (140511, 147911)]