20818188

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3637}}^1$

素因数の和:3703

約数の個数: 48

約数和(自身を含む): 55006560

約数和(自身を除く): 34188372

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, 3637, 5724, 7274, 10911, 14548, 21822, 32733, 43644, 65466, 98199, 130932, 192761, 196398, 385522, 392796, 578283, 771044, 1156566, 1734849, 2313132, 3469698, 5204547, 6939396, 10409094, 20818188]

約数ペア:

[(1, 20818188), (2, 10409094), (3, 6939396), (4, 5204547), (6, 3469698), (9, 2313132), (12, 1734849), (18, 1156566), (27, 771044), (36, 578283), (53, 392796), (54, 385522), (106, 196398), (108, 192761), (159, 130932), (212, 98199), (318, 65466), (477, 43644), (636, 32733), (954, 21822), (1431, 14548), (1908, 10911), (2862, 7274), (3637, 5724)]