20478348

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51713}}^1$

素因数の和:51734

約数の個数: 36

約数和(自身を含む): 56471688

約数和(自身を除く): 35993340

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51713, 103426, 155139, 206852, 310278, 465417, 568843, 620556, 930834, 1137686, 1706529, 1861668, 2275372, 3413058, 5119587, 6826116, 10239174, 20478348]

約数ペア:

[(1, 20478348), (2, 10239174), (3, 6826116), (4, 5119587), (6, 3413058), (9, 2275372), (11, 1861668), (12, 1706529), (18, 1137686), (22, 930834), (33, 620556), (36, 568843), (44, 465417), (66, 310278), (99, 206852), (132, 155139), (198, 103426), (396, 51713)]