20728189968

素因数分解:

$2^4\times 3^1\times {\mathrm{112253}}^1\times {\mathrm{3847}}^1$

素因数の和:116111

約数の個数: 40

約数和(自身を含む): 53562220608

約数和(自身を除く): 32834030640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 3847, 7694, 11541, 15388, 23082, 30776, 46164, 61552, 92328, 112253, 184656, 224506, 336759, 449012, 673518, 898024, 1347036, 1796048, 2694072, 5388144, 431837291, 863674582, 1295511873, 1727349164, 2591023746, 3454698328, 5182047492, 6909396656, 10364094984, 20728189968]

約数ペア:

[(1, 20728189968), (2, 10364094984), (3, 6909396656), (4, 5182047492), (6, 3454698328), (8, 2591023746), (12, 1727349164), (16, 1295511873), (24, 863674582), (48, 431837291), (3847, 5388144), (7694, 2694072), (11541, 1796048), (15388, 1347036), (23082, 898024), (30776, 673518), (46164, 449012), (61552, 336759), (92328, 224506), (112253, 184656)]