20731640385

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{526117}}^1$

素因数の和:526233

約数の個数: 32

約数和(自身を含む): 34547012352

約数和(自身を除く): 13815371967

約数列:

[1, 3, 5, 15, 37, 71, 111, 185, 213, 355, 555, 1065, 2627, 7881, 13135, 39405, 526117, 1578351, 2630585, 7891755, 19466329, 37354307, 58398987, 97331645, 112062921, 186771535, 291994935, 560314605, 1382109359, 4146328077, 6910546795, 20731640385]

約数ペア:

[(1, 20731640385), (3, 6910546795), (5, 4146328077), (15, 1382109359), (37, 560314605), (71, 291994935), (111, 186771535), (185, 112062921), (213, 97331645), (355, 58398987), (555, 37354307), (1065, 19466329), (2627, 7891755), (7881, 2630585), (13135, 1578351), (39405, 526117)]