20873106

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 49320960

約数和(自身を除く): 28447854

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 37, 54, 62, 74, 93, 111, 186, 222, 279, 333, 337, 558, 666, 674, 837, 999, 1011, 1147, 1674, 1998, 2022, 2294, 3033, 3441, 6066, 6882, 9099, 10323, 10447, 12469, 18198, 20646, 20894, 24938, 30969, 31341, 37407, 61938, 62682, 74814, 94023, 112221, 188046, 224442, 282069, 336663, 386539, 564138, 673326, 773078, 1159617, 2319234, 3478851, 6957702, 10436553, 20873106]

約数ペア:

[(1, 20873106), (2, 10436553), (3, 6957702), (6, 3478851), (9, 2319234), (18, 1159617), (27, 773078), (31, 673326), (37, 564138), (54, 386539), (62, 336663), (74, 282069), (93, 224442), (111, 188046), (186, 112221), (222, 94023), (279, 74814), (333, 62682), (337, 61938), (558, 37407), (666, 31341), (674, 30969), (837, 24938), (999, 20894), (1011, 20646), (1147, 18198), (1674, 12469), (1998, 10447), (2022, 10323), (2294, 9099), (3033, 6882), (3441, 6066)]