20297415

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 34444800

約数和(自身を除く): 14147385

約数列:

[1, 3, 5, 15, 19, 57, 95, 229, 285, 311, 687, 933, 1145, 1555, 3435, 4351, 4665, 5909, 13053, 17727, 21755, 29545, 65265, 71219, 88635, 213657, 356095, 1068285, 1353161, 4059483, 6765805, 20297415]

約数ペア:

[(1, 20297415), (3, 6765805), (5, 4059483), (15, 1353161), (19, 1068285), (57, 356095), (95, 213657), (229, 88635), (285, 71219), (311, 65265), (687, 29545), (933, 21755), (1145, 17727), (1555, 13053), (3435, 5909), (4351, 4665)]