20410005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 21393771

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 41, 55, 77, 105, 123, 165, 205, 231, 287, 385, 431, 451, 615, 861, 1155, 1293, 1353, 1435, 2155, 2255, 3017, 3157, 4305, 4741, 6465, 6765, 9051, 9471, 14223, 15085, 15785, 17671, 23705, 33187, 45255, 47355, 53013, 71115, 88355, 99561, 123697, 165935, 194381, 265065, 371091, 497805, 583143, 618485, 971905, 1360667, 1855455, 2915715, 4082001, 6803335, 20410005]

約数ペア:

[(1, 20410005), (3, 6803335), (5, 4082001), (7, 2915715), (11, 1855455), (15, 1360667), (21, 971905), (33, 618485), (35, 583143), (41, 497805), (55, 371091), (77, 265065), (105, 194381), (123, 165935), (165, 123697), (205, 99561), (231, 88355), (287, 71115), (385, 53013), (431, 47355), (451, 45255), (615, 33187), (861, 23705), (1155, 17671), (1293, 15785), (1353, 15085), (1435, 14223), (2155, 9471), (2255, 9051), (3017, 6765), (3157, 6465), (4305, 4741)]