20648390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3041}}^1$

素因数の和:3152

約数の個数: 32

約数和(自身を含む): 42928704

約数和(自身を除く): 22280314

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3041, 3395, 6082, 6790, 15205, 21287, 30410, 42574, 106435, 212870, 294977, 589954, 1474885, 2064839, 2949770, 4129678, 10324195, 20648390]

約数ペア:

[(1, 20648390), (2, 10324195), (5, 4129678), (7, 2949770), (10, 2064839), (14, 1474885), (35, 589954), (70, 294977), (97, 212870), (194, 106435), (485, 42574), (679, 30410), (970, 21287), (1358, 15205), (3041, 6790), (3395, 6082)]