20440176860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1\times {\mathrm{15907}}^1$

素因数の和:17330

約数の個数: 48

約数和(自身を含む): 43872482304

約数和(自身を除く): 23432305444

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1367, 2734, 5468, 6835, 13670, 15907, 27340, 31814, 63628, 64249, 79535, 128498, 159070, 256996, 318140, 321245, 642490, 747629, 1284980, 1495258, 2990516, 3738145, 7476290, 14952580, 21744869, 43489738, 86979476, 108724345, 217448690, 434897380, 1022008843, 2044017686, 4088035372, 5110044215, 10220088430, 20440176860]

約数ペア:

[(1, 20440176860), (2, 10220088430), (4, 5110044215), (5, 4088035372), (10, 2044017686), (20, 1022008843), (47, 434897380), (94, 217448690), (188, 108724345), (235, 86979476), (470, 43489738), (940, 21744869), (1367, 14952580), (2734, 7476290), (5468, 3738145), (6835, 2990516), (13670, 1495258), (15907, 1284980), (27340, 747629), (31814, 642490), (63628, 321245), (64249, 318140), (79535, 256996), (128498, 159070)]