20265912

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{1627}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 55238040

約数和(自身を除く): 34972128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 1627, 2076, 3114, 3254, 4152, 4881, 6228, 6508, 9762, 12456, 13016, 14643, 19524, 29286, 39048, 58572, 117144, 281471, 562942, 844413, 1125884, 1688826, 2251768, 2533239, 3377652, 5066478, 6755304, 10132956, 20265912]

約数ペア:

[(1, 20265912), (2, 10132956), (3, 6755304), (4, 5066478), (6, 3377652), (8, 2533239), (9, 2251768), (12, 1688826), (18, 1125884), (24, 844413), (36, 562942), (72, 281471), (173, 117144), (346, 58572), (519, 39048), (692, 29286), (1038, 19524), (1384, 14643), (1557, 13016), (1627, 12456), (2076, 9762), (3114, 6508), (3254, 6228), (4152, 4881)]