20048385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4657}}^1$

素因数の和:4713

約数の個数: 32

約数和(自身を含む): 37562112

約数和(自身を除く): 17513727

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 4657, 13971, 23285, 32599, 69855, 97797, 162995, 190937, 488985, 572811, 954685, 1336559, 2864055, 4009677, 6682795, 20048385]

約数ペア:

[(1, 20048385), (3, 6682795), (5, 4009677), (7, 2864055), (15, 1336559), (21, 954685), (35, 572811), (41, 488985), (105, 190937), (123, 162995), (205, 97797), (287, 69855), (615, 32599), (861, 23285), (1435, 13971), (4305, 4657)]