20159340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{997}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 56670432

約数和(自身を除く): 36511092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 997, 1011, 1348, 1685, 1994, 2022, 2991, 3370, 3988, 4044, 4985, 5055, 5982, 6740, 9970, 10110, 11964, 14955, 19940, 20220, 29910, 59820, 335989, 671978, 1007967, 1343956, 1679945, 2015934, 3359890, 4031868, 5039835, 6719780, 10079670, 20159340]

約数ペア:

[(1, 20159340), (2, 10079670), (3, 6719780), (4, 5039835), (5, 4031868), (6, 3359890), (10, 2015934), (12, 1679945), (15, 1343956), (20, 1007967), (30, 671978), (60, 335989), (337, 59820), (674, 29910), (997, 20220), (1011, 19940), (1348, 14955), (1685, 11964), (1994, 10110), (2022, 9970), (2991, 6740), (3370, 5982), (3988, 5055), (4044, 4985)]