20071818

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2767}}^1$

素因数の和:2819

約数の個数: 48

約数和(自身を含む): 48362496

約数和(自身を除く): 28290678

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2767, 3627, 5534, 7254, 8301, 16602, 24903, 35971, 49806, 71942, 85777, 107913, 171554, 215826, 257331, 323739, 514662, 647478, 771993, 1115101, 1543986, 2230202, 3345303, 6690606, 10035909, 20071818]

約数ペア:

[(1, 20071818), (2, 10035909), (3, 6690606), (6, 3345303), (9, 2230202), (13, 1543986), (18, 1115101), (26, 771993), (31, 647478), (39, 514662), (62, 323739), (78, 257331), (93, 215826), (117, 171554), (186, 107913), (234, 85777), (279, 71942), (403, 49806), (558, 35971), (806, 24903), (1209, 16602), (2418, 8301), (2767, 7254), (3627, 5534)]