20172503505

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{226823}}^1$

素因数の和:226867

約数の個数: 72

約数和(自身を含む): 41269265856

約数和(自身を除く): 21096762351

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 121, 147, 165, 231, 245, 363, 385, 539, 605, 735, 847, 1155, 1617, 1815, 2541, 2695, 4235, 5929, 8085, 12705, 17787, 29645, 88935, 226823, 680469, 1134115, 1587761, 2495053, 3402345, 4763283, 7485159, 7938805, 11114327, 12475265, 17465371, 23816415, 27445583, 33342981, 37425795, 52396113, 55571635, 82336749, 87326855, 122257597, 137227915, 166714905, 192119081, 261980565, 366772791, 411683745, 576357243, 611287985, 960595405, 1344833567, 1833863955, 2881786215, 4034500701, 6724167835, 20172503505]

約数ペア:

[(1, 20172503505), (3, 6724167835), (5, 4034500701), (7, 2881786215), (11, 1833863955), (15, 1344833567), (21, 960595405), (33, 611287985), (35, 576357243), (49, 411683745), (55, 366772791), (77, 261980565), (105, 192119081), (121, 166714905), (147, 137227915), (165, 122257597), (231, 87326855), (245, 82336749), (363, 55571635), (385, 52396113), (539, 37425795), (605, 33342981), (735, 27445583), (847, 23816415), (1155, 17465371), (1617, 12475265), (1815, 11114327), (2541, 7938805), (2695, 7485159), (4235, 4763283), (5929, 3402345), (8085, 2495053), (12705, 1587761), (17787, 1134115), (29645, 680469), (88935, 226823)]