20873912

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1153}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 40990080

約数和(自身を除く): 20116168

約数列:

[1, 2, 4, 8, 31, 62, 73, 124, 146, 248, 292, 584, 1153, 2263, 2306, 4526, 4612, 9052, 9224, 18104, 35743, 71486, 84169, 142972, 168338, 285944, 336676, 673352, 2609239, 5218478, 10436956, 20873912]

約数ペア:

[(1, 20873912), (2, 10436956), (4, 5218478), (8, 2609239), (31, 673352), (62, 336676), (73, 285944), (124, 168338), (146, 142972), (248, 84169), (292, 71486), (584, 35743), (1153, 18104), (2263, 9224), (2306, 9052), (4526, 4612)]