20516814

素因数分解:

$2^1\times 3^4\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1526

約数の個数: 40

約数和(自身を含む): 46522080

約数和(自身を除く): 26005266

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 89, 162, 178, 267, 534, 801, 1423, 1602, 2403, 2846, 4269, 4806, 7209, 8538, 12807, 14418, 25614, 38421, 76842, 115263, 126647, 230526, 253294, 379941, 759882, 1139823, 2279646, 3419469, 6838938, 10258407, 20516814]

約数ペア:

[(1, 20516814), (2, 10258407), (3, 6838938), (6, 3419469), (9, 2279646), (18, 1139823), (27, 759882), (54, 379941), (81, 253294), (89, 230526), (162, 126647), (178, 115263), (267, 76842), (534, 38421), (801, 25614), (1423, 14418), (1602, 12807), (2403, 8538), (2846, 7209), (4269, 4806)]