20487636

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43777}}^1$

素因数の和:43800

約数の個数: 36

約数和(自身を含む): 55773172

約数和(自身を除く): 35285536

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43777, 87554, 131331, 175108, 262662, 393993, 525324, 569101, 787986, 1138202, 1575972, 1707303, 2276404, 3414606, 5121909, 6829212, 10243818, 20487636]

約数ペア:

[(1, 20487636), (2, 10243818), (3, 6829212), (4, 5121909), (6, 3414606), (9, 2276404), (12, 1707303), (13, 1575972), (18, 1138202), (26, 787986), (36, 569101), (39, 525324), (52, 393993), (78, 262662), (117, 175108), (156, 131331), (234, 87554), (468, 43777)]