20068636

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 45677520

約数和(自身を除く): 25608884

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 266, 317, 323, 476, 532, 634, 646, 833, 931, 1268, 1292, 1666, 1862, 2219, 2261, 3332, 3724, 4438, 4522, 5389, 6023, 8876, 9044, 10778, 12046, 15533, 15827, 21556, 24092, 31066, 31654, 37723, 42161, 62132, 63308, 75446, 84322, 102391, 150892, 168644, 204782, 264061, 295127, 409564, 528122, 590254, 716737, 1056244, 1180508, 1433474, 2866948, 5017159, 10034318, 20068636]

約数ペア:

[(1, 20068636), (2, 10034318), (4, 5017159), (7, 2866948), (14, 1433474), (17, 1180508), (19, 1056244), (28, 716737), (34, 590254), (38, 528122), (49, 409564), (68, 295127), (76, 264061), (98, 204782), (119, 168644), (133, 150892), (196, 102391), (238, 84322), (266, 75446), (317, 63308), (323, 62132), (476, 42161), (532, 37723), (634, 31654), (646, 31066), (833, 24092), (931, 21556), (1268, 15827), (1292, 15533), (1666, 12046), (1862, 10778), (2219, 9044), (2261, 8876), (3332, 6023), (3724, 5389), (4438, 4522)]