20742436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36263}}^1$

素因数の和:36291

約数の個数: 24

約数和(自身を含む): 42646464

約数和(自身を除く): 21904028

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36263, 72526, 145052, 398893, 471419, 797786, 942838, 1595572, 1885676, 5185609, 10371218, 20742436]

約数ペア:

[(1, 20742436), (2, 10371218), (4, 5185609), (11, 1885676), (13, 1595572), (22, 942838), (26, 797786), (44, 471419), (52, 398893), (143, 145052), (286, 72526), (572, 36263)]