20565237004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1271657}}^1$

素因数の和:1271985

約数の個数: 24

約数和(自身を含む): 38882215008

約数和(自身を除く): 18316978004

約数列:

[1, 2, 4, 13, 26, 52, 311, 622, 1244, 4043, 8086, 16172, 1271657, 2543314, 5086628, 16531541, 33063082, 66126164, 395485327, 790970654, 1581941308, 5141309251, 10282618502, 20565237004]

約数ペア:

[(1, 20565237004), (2, 10282618502), (4, 5141309251), (13, 1581941308), (26, 790970654), (52, 395485327), (311, 66126164), (622, 33063082), (1244, 16531541), (4043, 5086628), (8086, 2543314), (16172, 1271657)]