20771218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2213}}^1$

素因数の和:2266

約数の個数: 24

約数和(自身を含む): 35428428

約数和(自身を除く): 14657210

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 2213, 4426, 4693, 9386, 28769, 42047, 57538, 84094, 546611, 798893, 1093222, 1597786, 10385609, 20771218]

約数ペア:

[(1, 20771218), (2, 10385609), (13, 1597786), (19, 1093222), (26, 798893), (38, 546611), (247, 84094), (361, 57538), (494, 42047), (722, 28769), (2213, 9386), (4426, 4693)]