20751510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4093}}^1$

素因数の和:4129

約数の個数: 48

約数和(自身を含む): 53942544

約数和(自身を除く): 33191034

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 4093, 5070, 8186, 12279, 20465, 24558, 40930, 53209, 61395, 106418, 122790, 159627, 266045, 319254, 532090, 691717, 798135, 1383434, 1596270, 2075151, 3458585, 4150302, 6917170, 10375755, 20751510]

約数ペア:

[(1, 20751510), (2, 10375755), (3, 6917170), (5, 4150302), (6, 3458585), (10, 2075151), (13, 1596270), (15, 1383434), (26, 798135), (30, 691717), (39, 532090), (65, 319254), (78, 266045), (130, 159627), (169, 122790), (195, 106418), (338, 61395), (390, 53209), (507, 40930), (845, 24558), (1014, 20465), (1690, 12279), (2535, 8186), (4093, 5070)]