20506704

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2621}}^1$

素因数の和:2795

約数の個数: 40

約数和(自身を含む): 53320992

約数和(自身を除く): 32814288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 2621, 3912, 5242, 7824, 7863, 10484, 15726, 20968, 31452, 41936, 62904, 125808, 427223, 854446, 1281669, 1708892, 2563338, 3417784, 5126676, 6835568, 10253352, 20506704]

約数ペア:

[(1, 20506704), (2, 10253352), (3, 6835568), (4, 5126676), (6, 3417784), (8, 2563338), (12, 1708892), (16, 1281669), (24, 854446), (48, 427223), (163, 125808), (326, 62904), (489, 41936), (652, 31452), (978, 20968), (1304, 15726), (1956, 10484), (2608, 7863), (2621, 7824), (3912, 5242)]