20086073240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{4289}}^1$

素因数の和:4485

約数の個数: 128

約数和(自身を含む): 49037788800

約数和(自身を除く): 28951715560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 97, 136, 142, 170, 194, 284, 340, 355, 388, 485, 568, 680, 710, 776, 970, 1207, 1420, 1649, 1940, 2414, 2840, 3298, 3880, 4289, 4828, 6035, 6596, 6887, 8245, 8578, 9656, 12070, 13192, 13774, 16490, 17156, 21445, 24140, 27548, 32980, 34312, 34435, 42890, 48280, 55096, 65960, 68870, 72913, 85780, 117079, 137740, 145826, 171560, 234158, 275480, 291652, 304519, 364565, 416033, 468316, 583304, 585395, 609038, 729130, 832066, 936632, 1170790, 1218076, 1458260, 1522595, 1664132, 2080165, 2341580, 2436152, 2916520, 3045190, 3328264, 4160330, 4683160, 5176823, 6090380, 7072561, 8320660, 10353646, 12180760, 14145122, 16641320, 20707292, 25884115, 28290244, 29538343, 35362805, 41414584, 51768230, 56580488, 59076686, 70725610, 103536460, 118153372, 141451220, 147691715, 207072920, 236306744, 282902440, 295383430, 502151831, 590766860, 1004303662, 1181533720, 2008607324, 2510759155, 4017214648, 5021518310, 10043036620, 20086073240]

約数ペア:

[(1, 20086073240), (2, 10043036620), (4, 5021518310), (5, 4017214648), (8, 2510759155), (10, 2008607324), (17, 1181533720), (20, 1004303662), (34, 590766860), (40, 502151831), (68, 295383430), (71, 282902440), (85, 236306744), (97, 207072920), (136, 147691715), (142, 141451220), (170, 118153372), (194, 103536460), (284, 70725610), (340, 59076686), (355, 56580488), (388, 51768230), (485, 41414584), (568, 35362805), (680, 29538343), (710, 28290244), (776, 25884115), (970, 20707292), (1207, 16641320), (1420, 14145122), (1649, 12180760), (1940, 10353646), (2414, 8320660), (2840, 7072561), (3298, 6090380), (3880, 5176823), (4289, 4683160), (4828, 4160330), (6035, 3328264), (6596, 3045190), (6887, 2916520), (8245, 2436152), (8578, 2341580), (9656, 2080165), (12070, 1664132), (13192, 1522595), (13774, 1458260), (16490, 1218076), (17156, 1170790), (21445, 936632), (24140, 832066), (27548, 729130), (32980, 609038), (34312, 585395), (34435, 583304), (42890, 468316), (48280, 416033), (55096, 364565), (65960, 304519), (68870, 291652), (72913, 275480), (85780, 234158), (117079, 171560), (137740, 145826)]