20624464

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1721}}^1$

素因数の和:1843

約数の個数: 40

約数和(自身を含む): 46122048

約数和(自身を除く): 25497584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 1721, 2996, 3442, 5992, 6884, 11984, 12047, 13768, 24094, 27536, 48188, 96376, 184147, 192752, 368294, 736588, 1289029, 1473176, 2578058, 2946352, 5156116, 10312232, 20624464]

約数ペア:

[(1, 20624464), (2, 10312232), (4, 5156116), (7, 2946352), (8, 2578058), (14, 1473176), (16, 1289029), (28, 736588), (56, 368294), (107, 192752), (112, 184147), (214, 96376), (428, 48188), (749, 27536), (856, 24094), (1498, 13768), (1712, 12047), (1721, 11984), (2996, 6884), (3442, 5992)]