20145892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8243}}^1$

素因数の和:8307

約数の個数: 24

約数和(自身を含む): 38779776

約数和(自身を除く): 18633884

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8243, 16486, 32972, 107159, 214318, 387421, 428636, 774842, 1549684, 5036473, 10072946, 20145892]

約数ペア:

[(1, 20145892), (2, 10072946), (4, 5036473), (13, 1549684), (26, 774842), (47, 428636), (52, 387421), (94, 214318), (188, 107159), (611, 32972), (1222, 16486), (2444, 8243)]