20415384

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 61074000

約数和(自身を除く): 40658616

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 149, 173, 198, 264, 298, 346, 396, 447, 519, 596, 692, 792, 894, 1038, 1192, 1341, 1384, 1557, 1639, 1788, 1903, 2076, 2682, 3114, 3278, 3576, 3806, 4152, 4917, 5364, 5709, 6228, 6556, 7612, 9834, 10728, 11418, 12456, 13112, 14751, 15224, 17127, 19668, 22836, 25777, 29502, 34254, 39336, 45672, 51554, 59004, 68508, 77331, 103108, 118008, 137016, 154662, 206216, 231993, 283547, 309324, 463986, 567094, 618648, 850641, 927972, 1134188, 1701282, 1855944, 2268376, 2551923, 3402564, 5103846, 6805128, 10207692, 20415384]

約数ペア:

[(1, 20415384), (2, 10207692), (3, 6805128), (4, 5103846), (6, 3402564), (8, 2551923), (9, 2268376), (11, 1855944), (12, 1701282), (18, 1134188), (22, 927972), (24, 850641), (33, 618648), (36, 567094), (44, 463986), (66, 309324), (72, 283547), (88, 231993), (99, 206216), (132, 154662), (149, 137016), (173, 118008), (198, 103108), (264, 77331), (298, 68508), (346, 59004), (396, 51554), (447, 45672), (519, 39336), (596, 34254), (692, 29502), (792, 25777), (894, 22836), (1038, 19668), (1192, 17127), (1341, 15224), (1384, 14751), (1557, 13112), (1639, 12456), (1788, 11418), (1903, 10728), (2076, 9834), (2682, 7612), (3114, 6556), (3278, 6228), (3576, 5709), (3806, 5364), (4152, 4917)]