20565242516

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{20389}}^1$

素因数の和:20593

約数の個数: 96

約数和(自身を含む): 47189963520

約数和(自身を除く): 26624721004

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 163, 182, 221, 238, 326, 364, 442, 476, 652, 884, 1141, 1547, 2119, 2282, 2771, 3094, 4238, 4564, 5542, 6188, 8476, 11084, 14833, 19397, 20389, 29666, 36023, 38794, 40778, 59332, 72046, 77588, 81556, 142723, 144092, 252161, 265057, 285446, 346613, 504322, 530114, 570892, 693226, 1008644, 1060228, 1386452, 1855399, 2426291, 3323407, 3710798, 4505969, 4852582, 6646814, 7421596, 9011938, 9705164, 13293628, 18023876, 23263849, 31541783, 43204291, 46527698, 56497919, 63083566, 86408582, 93055396, 112995838, 126167132, 172817164, 225991676, 302430037, 395485433, 604860074, 734472947, 790970866, 1209720148, 1468945894, 1581941732, 2937891788, 5141310629, 10282621258, 20565242516]

約数ペア:

[(1, 20565242516), (2, 10282621258), (4, 5141310629), (7, 2937891788), (13, 1581941732), (14, 1468945894), (17, 1209720148), (26, 790970866), (28, 734472947), (34, 604860074), (52, 395485433), (68, 302430037), (91, 225991676), (119, 172817164), (163, 126167132), (182, 112995838), (221, 93055396), (238, 86408582), (326, 63083566), (364, 56497919), (442, 46527698), (476, 43204291), (652, 31541783), (884, 23263849), (1141, 18023876), (1547, 13293628), (2119, 9705164), (2282, 9011938), (2771, 7421596), (3094, 6646814), (4238, 4852582), (4564, 4505969), (5542, 3710798), (6188, 3323407), (8476, 2426291), (11084, 1855399), (14833, 1386452), (19397, 1060228), (20389, 1008644), (29666, 693226), (36023, 570892), (38794, 530114), (40778, 504322), (59332, 346613), (72046, 285446), (77588, 265057), (81556, 252161), (142723, 144092)]