20901294

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{4349}}^1$

素因数の和:4449

約数の個数: 32

約数和(自身を含む): 46980000

約数和(自身を除く): 26078706

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 178, 267, 534, 801, 1602, 2403, 4349, 4806, 8698, 13047, 26094, 39141, 78282, 117423, 234846, 387061, 774122, 1161183, 2322366, 3483549, 6967098, 10450647, 20901294]

約数ペア:

[(1, 20901294), (2, 10450647), (3, 6967098), (6, 3483549), (9, 2322366), (18, 1161183), (27, 774122), (54, 387061), (89, 234846), (178, 117423), (267, 78282), (534, 39141), (801, 26094), (1602, 13047), (2403, 8698), (4349, 4806)]