20176612105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{709}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 27940147200

約数和(自身を除く): 7763535095

約数列:

[1, 5, 13, 29, 31, 65, 145, 155, 377, 403, 487, 709, 899, 1885, 2015, 2435, 3545, 4495, 6331, 9217, 11687, 14123, 15097, 20561, 21979, 31655, 46085, 58435, 70615, 75485, 102805, 109895, 183599, 196261, 267293, 285727, 345283, 437813, 637391, 917995, 981305, 1336465, 1428635, 1726415, 2189065, 3186955, 4488679, 5691569, 8286083, 10013207, 10703773, 22443395, 28457845, 41430415, 50066035, 53518865, 130171691, 139149049, 310409417, 650858455, 695745245, 1552047085, 4035322421, 20176612105]

約数ペア:

[(1, 20176612105), (5, 4035322421), (13, 1552047085), (29, 695745245), (31, 650858455), (65, 310409417), (145, 139149049), (155, 130171691), (377, 53518865), (403, 50066035), (487, 41430415), (709, 28457845), (899, 22443395), (1885, 10703773), (2015, 10013207), (2435, 8286083), (3545, 5691569), (4495, 4488679), (6331, 3186955), (9217, 2189065), (11687, 1726415), (14123, 1428635), (15097, 1336465), (20561, 981305), (21979, 917995), (31655, 637391), (46085, 437813), (58435, 345283), (70615, 285727), (75485, 267293), (102805, 196261), (109895, 183599)]