20698392

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 62818560

約数和(自身を除く): 42120168

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 37, 39, 44, 52, 66, 74, 78, 88, 104, 111, 132, 143, 148, 156, 163, 222, 264, 286, 296, 312, 326, 407, 429, 444, 481, 489, 572, 652, 814, 858, 888, 962, 978, 1144, 1221, 1304, 1443, 1628, 1716, 1793, 1924, 1956, 2119, 2442, 2886, 3256, 3432, 3586, 3848, 3912, 4238, 4884, 5291, 5379, 5772, 6031, 6357, 7172, 8476, 9768, 10582, 10758, 11544, 12062, 12714, 14344, 15873, 16952, 18093, 21164, 21516, 23309, 24124, 25428, 31746, 36186, 42328, 43032, 46618, 48248, 50856, 63492, 66341, 69927, 72372, 78403, 93236, 126984, 132682, 139854, 144744, 156806, 186472, 199023, 235209, 265364, 279708, 313612, 398046, 470418, 530728, 559416, 627224, 796092, 862433, 940836, 1592184, 1724866, 1881672, 2587299, 3449732, 5174598, 6899464, 10349196, 20698392]

約数ペア:

[(1, 20698392), (2, 10349196), (3, 6899464), (4, 5174598), (6, 3449732), (8, 2587299), (11, 1881672), (12, 1724866), (13, 1592184), (22, 940836), (24, 862433), (26, 796092), (33, 627224), (37, 559416), (39, 530728), (44, 470418), (52, 398046), (66, 313612), (74, 279708), (78, 265364), (88, 235209), (104, 199023), (111, 186472), (132, 156806), (143, 144744), (148, 139854), (156, 132682), (163, 126984), (222, 93236), (264, 78403), (286, 72372), (296, 69927), (312, 66341), (326, 63492), (407, 50856), (429, 48248), (444, 46618), (481, 43032), (489, 42328), (572, 36186), (652, 31746), (814, 25428), (858, 24124), (888, 23309), (962, 21516), (978, 21164), (1144, 18093), (1221, 16952), (1304, 15873), (1443, 14344), (1628, 12714), (1716, 12062), (1793, 11544), (1924, 10758), (1956, 10582), (2119, 9768), (2442, 8476), (2886, 7172), (3256, 6357), (3432, 6031), (3586, 5772), (3848, 5379), (3912, 5291), (4238, 4884)]