20921465163

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1\times {\mathrm{6481}}^1$

素因数の和:6955

約数の個数: 32

約数和(自身を含む): 29165473792

約数和(自身を除く): 8244008629

約数列:

[1, 3, 31, 93, 103, 309, 337, 1011, 3193, 6481, 9579, 10447, 19443, 31341, 34711, 104133, 200911, 602733, 667543, 1076041, 2002629, 2184097, 3228123, 6552291, 20693833, 62081499, 67707007, 203121021, 224961991, 674885973, 6973821721, 20921465163]

約数ペア:

[(1, 20921465163), (3, 6973821721), (31, 674885973), (93, 224961991), (103, 203121021), (309, 67707007), (337, 62081499), (1011, 20693833), (3193, 6552291), (6481, 3228123), (9579, 2184097), (10447, 2002629), (19443, 1076041), (31341, 667543), (34711, 602733), (104133, 200911)]