20085444

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4259}}^1$

素因数の和:4400

約数の個数: 36

約数和(自身を含む): 51171120

約数和(自身を除く): 31085676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4259, 4716, 8518, 12777, 17036, 25554, 38331, 51108, 76662, 153324, 557929, 1115858, 1673787, 2231716, 3347574, 5021361, 6695148, 10042722, 20085444]

約数ペア:

[(1, 20085444), (2, 10042722), (3, 6695148), (4, 5021361), (6, 3347574), (9, 2231716), (12, 1673787), (18, 1115858), (36, 557929), (131, 153324), (262, 76662), (393, 51108), (524, 38331), (786, 25554), (1179, 17036), (1572, 12777), (2358, 8518), (4259, 4716)]