20646468

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3607}}^1$

素因数の和:3673

約数の個数: 48

約数和(自身を含む): 54552960

約数和(自身を除く): 33906492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3607, 5724, 7214, 10821, 14428, 21642, 32463, 43284, 64926, 97389, 129852, 191171, 194778, 382342, 389556, 573513, 764684, 1147026, 1720539, 2294052, 3441078, 5161617, 6882156, 10323234, 20646468]

約数ペア:

[(1, 20646468), (2, 10323234), (3, 6882156), (4, 5161617), (6, 3441078), (9, 2294052), (12, 1720539), (18, 1147026), (27, 764684), (36, 573513), (53, 389556), (54, 382342), (106, 194778), (108, 191171), (159, 129852), (212, 97389), (318, 64926), (477, 43284), (636, 32463), (954, 21642), (1431, 14428), (1908, 10821), (2862, 7214), (3607, 5724)]