20591792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98999}}^1$

素因数の和:99020

約数の個数: 20

約数和(自身を含む): 42966000

約数和(自身を除く): 22374208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98999, 197998, 395996, 791992, 1286987, 1583984, 2573974, 5147948, 10295896, 20591792]

約数ペア:

[(1, 20591792), (2, 10295896), (4, 5147948), (8, 2573974), (13, 1583984), (16, 1286987), (26, 791992), (52, 395996), (104, 197998), (208, 98999)]