20159145

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4817}}^1$

素因数の和:4862

約数の個数: 32

約数和(自身を含む): 37002240

約数和(自身を除く): 16843095

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4817, 14451, 24085, 43353, 72255, 130059, 149327, 216765, 447981, 650295, 746635, 1343943, 2239905, 4031829, 6719715, 20159145]

約数ペア:

[(1, 20159145), (3, 6719715), (5, 4031829), (9, 2239905), (15, 1343943), (27, 746635), (31, 650295), (45, 447981), (93, 216765), (135, 149327), (155, 130059), (279, 72255), (465, 43353), (837, 24085), (1395, 14451), (4185, 4817)]