20729324

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 28912660

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 37, 44, 68, 74, 77, 107, 119, 148, 154, 187, 214, 238, 259, 308, 374, 407, 428, 476, 518, 629, 748, 749, 814, 1036, 1177, 1258, 1309, 1498, 1628, 1819, 2354, 2516, 2618, 2849, 2996, 3638, 3959, 4403, 4708, 5236, 5698, 6919, 7276, 7918, 8239, 8806, 11396, 12733, 13838, 15836, 16478, 17612, 20009, 25466, 27676, 27713, 32956, 40018, 43549, 48433, 50932, 55426, 67303, 80036, 87098, 96866, 110852, 134606, 140063, 174196, 193732, 269212, 280126, 304843, 471121, 560252, 609686, 740333, 942242, 1219372, 1480666, 1884484, 2961332, 5182331, 10364662, 20729324]

約数ペア:

[(1, 20729324), (2, 10364662), (4, 5182331), (7, 2961332), (11, 1884484), (14, 1480666), (17, 1219372), (22, 942242), (28, 740333), (34, 609686), (37, 560252), (44, 471121), (68, 304843), (74, 280126), (77, 269212), (107, 193732), (119, 174196), (148, 140063), (154, 134606), (187, 110852), (214, 96866), (238, 87098), (259, 80036), (308, 67303), (374, 55426), (407, 50932), (428, 48433), (476, 43549), (518, 40018), (629, 32956), (748, 27713), (749, 27676), (814, 25466), (1036, 20009), (1177, 17612), (1258, 16478), (1309, 15836), (1498, 13838), (1628, 12733), (1819, 11396), (2354, 8806), (2516, 8239), (2618, 7918), (2849, 7276), (2996, 6919), (3638, 5698), (3959, 5236), (4403, 4708)]