20514338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 35259840

約数和(自身を除く): 14745502

約数列:

[1, 2, 13, 19, 26, 38, 131, 247, 262, 317, 494, 634, 1703, 2489, 3406, 4121, 4978, 6023, 8242, 12046, 32357, 41527, 64714, 78299, 83054, 156598, 539851, 789013, 1079702, 1578026, 10257169, 20514338]

約数ペア:

[(1, 20514338), (2, 10257169), (13, 1578026), (19, 1079702), (26, 789013), (38, 539851), (131, 156598), (247, 83054), (262, 78299), (317, 64714), (494, 41527), (634, 32357), (1703, 12046), (2489, 8242), (3406, 6023), (4121, 4978)]