20109849898

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{2539}}^1\times {\mathrm{50129}}^1$

素因数の和:52749

約数の個数: 16

約数和(自身を含む): 30559248000

約数和(自身を除く): 10449398102

約数列:

[1, 2, 79, 158, 2539, 5078, 50129, 100258, 200581, 401162, 3960191, 7920382, 127277531, 254555062, 10054924949, 20109849898]

約数ペア:

[(1, 20109849898), (2, 10054924949), (79, 254555062), (158, 127277531), (2539, 7920382), (5078, 3960191), (50129, 401162), (100258, 200581)]