20018664

素因数分解:

$2^3\times 3^4\times {\mathrm{30893}}^1$

素因数の和:30911

約数の個数: 40

約数和(自身を含む): 56072610

約数和(自身を除く): 36053946

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30893, 61786, 92679, 123572, 185358, 247144, 278037, 370716, 556074, 741432, 834111, 1112148, 1668222, 2224296, 2502333, 3336444, 5004666, 6672888, 10009332, 20018664]

約数ペア:

[(1, 20018664), (2, 10009332), (3, 6672888), (4, 5004666), (6, 3336444), (8, 2502333), (9, 2224296), (12, 1668222), (18, 1112148), (24, 834111), (27, 741432), (36, 556074), (54, 370716), (72, 278037), (81, 247144), (108, 185358), (162, 123572), (216, 92679), (324, 61786), (648, 30893)]