20817384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 65007360

約数和(自身を除く): 44189976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 37, 42, 51, 56, 68, 74, 84, 102, 111, 119, 136, 148, 168, 197, 204, 222, 238, 259, 296, 357, 394, 408, 444, 476, 518, 591, 629, 714, 777, 788, 888, 952, 1036, 1182, 1258, 1379, 1428, 1554, 1576, 1887, 2072, 2364, 2516, 2758, 2856, 3108, 3349, 3774, 4137, 4403, 4728, 5032, 5516, 6216, 6698, 7289, 7548, 8274, 8806, 10047, 11032, 13209, 13396, 14578, 15096, 16548, 17612, 20094, 21867, 23443, 26418, 26792, 29156, 33096, 35224, 40188, 43734, 46886, 51023, 52836, 58312, 70329, 80376, 87468, 93772, 102046, 105672, 123913, 140658, 153069, 174936, 187544, 204092, 247826, 281316, 306138, 371739, 408184, 495652, 562632, 612276, 743478, 867391, 991304, 1224552, 1486956, 1734782, 2602173, 2973912, 3469564, 5204346, 6939128, 10408692, 20817384]

約数ペア:

[(1, 20817384), (2, 10408692), (3, 6939128), (4, 5204346), (6, 3469564), (7, 2973912), (8, 2602173), (12, 1734782), (14, 1486956), (17, 1224552), (21, 991304), (24, 867391), (28, 743478), (34, 612276), (37, 562632), (42, 495652), (51, 408184), (56, 371739), (68, 306138), (74, 281316), (84, 247826), (102, 204092), (111, 187544), (119, 174936), (136, 153069), (148, 140658), (168, 123913), (197, 105672), (204, 102046), (222, 93772), (238, 87468), (259, 80376), (296, 70329), (357, 58312), (394, 52836), (408, 51023), (444, 46886), (476, 43734), (518, 40188), (591, 35224), (629, 33096), (714, 29156), (777, 26792), (788, 26418), (888, 23443), (952, 21867), (1036, 20094), (1182, 17612), (1258, 16548), (1379, 15096), (1428, 14578), (1554, 13396), (1576, 13209), (1887, 11032), (2072, 10047), (2364, 8806), (2516, 8274), (2758, 7548), (2856, 7289), (3108, 6698), (3349, 6216), (3774, 5516), (4137, 5032), (4403, 4728)]