20995624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201881}}^1$

素因数の和:201900

約数の個数: 16

約数和(自身を含む): 42395220

約数和(自身を除く): 21399596

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201881, 403762, 807524, 1615048, 2624453, 5248906, 10497812, 20995624]

約数ペア:

[(1, 20995624), (2, 10497812), (4, 5248906), (8, 2624453), (13, 1615048), (26, 807524), (52, 403762), (104, 201881)]