20343285

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4906

約数の個数: 32

約数和(自身を含む): 37340160

約数和(自身を除く): 16996875

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4861, 14583, 24305, 43749, 72915, 131247, 150691, 218745, 452073, 656235, 753455, 1356219, 2260365, 4068657, 6781095, 20343285]

約数ペア:

[(1, 20343285), (3, 6781095), (5, 4068657), (9, 2260365), (15, 1356219), (27, 753455), (31, 656235), (45, 452073), (93, 218745), (135, 150691), (155, 131247), (279, 72915), (465, 43749), (837, 24305), (1395, 14583), (4185, 4861)]