20520682

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 38207232

約数和(自身を除く): 17686550

約数列:

[1, 2, 7, 13, 14, 26, 91, 137, 182, 274, 823, 959, 1646, 1781, 1918, 3562, 5761, 10699, 11522, 12467, 21398, 24934, 74893, 112751, 149786, 225502, 789257, 1465763, 1578514, 2931526, 10260341, 20520682]

約数ペア:

[(1, 20520682), (2, 10260341), (7, 2931526), (13, 1578514), (14, 1465763), (26, 789257), (91, 225502), (137, 149786), (182, 112751), (274, 74893), (823, 24934), (959, 21398), (1646, 12467), (1781, 11522), (1918, 10699), (3562, 5761)]