20651970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1123}}^1$

素因数の和:1746

約数の個数: 32

約数和(自身を含む): 49689792

約数和(自身を除く): 29037822

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 613, 1123, 1226, 1839, 2246, 3065, 3369, 3678, 5615, 6130, 6738, 9195, 11230, 16845, 18390, 33690, 688399, 1376798, 2065197, 3441995, 4130394, 6883990, 10325985, 20651970]

約数ペア:

[(1, 20651970), (2, 10325985), (3, 6883990), (5, 4130394), (6, 3441995), (10, 2065197), (15, 1376798), (30, 688399), (613, 33690), (1123, 18390), (1226, 16845), (1839, 11230), (2246, 9195), (3065, 6738), (3369, 6130), (3678, 5615)]