20068065

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 36363600

約数和(自身を除く): 16295535

約数列:

[1, 3, 5, 9, 15, 41, 45, 73, 123, 149, 205, 219, 365, 369, 447, 615, 657, 745, 1095, 1341, 1845, 2235, 2993, 3285, 6109, 6705, 8979, 10877, 14965, 18327, 26937, 30545, 32631, 44895, 54385, 54981, 91635, 97893, 134685, 163155, 274905, 445957, 489465, 1337871, 2229785, 4013613, 6689355, 20068065]

約数ペア:

[(1, 20068065), (3, 6689355), (5, 4013613), (9, 2229785), (15, 1337871), (41, 489465), (45, 445957), (73, 274905), (123, 163155), (149, 134685), (205, 97893), (219, 91635), (365, 54981), (369, 54385), (447, 44895), (615, 32631), (657, 30545), (745, 26937), (1095, 18327), (1341, 14965), (1845, 10877), (2235, 8979), (2993, 6705), (3285, 6109)]