20901582

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6871}}^1$

素因数の和:6905

約数の個数: 36

約数和(自身を含む): 49045464

約数和(自身を除く): 28143882

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6871, 13742, 20613, 41226, 61839, 89323, 123678, 178646, 267969, 535938, 803907, 1161199, 1607814, 2322398, 3483597, 6967194, 10450791, 20901582]

約数ペア:

[(1, 20901582), (2, 10450791), (3, 6967194), (6, 3483597), (9, 2322398), (13, 1607814), (18, 1161199), (26, 803907), (39, 535938), (78, 267969), (117, 178646), (169, 123678), (234, 89323), (338, 61839), (507, 41226), (1014, 20613), (1521, 13742), (3042, 6871)]