20653452

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 54949440

約数和(自身を除く): 34295988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 73, 87, 116, 146, 174, 219, 261, 271, 292, 348, 438, 522, 542, 657, 813, 876, 1044, 1084, 1314, 1626, 2117, 2439, 2628, 3252, 4234, 4878, 6351, 7859, 8468, 9756, 12702, 15718, 19053, 19783, 23577, 25404, 31436, 38106, 39566, 47154, 59349, 70731, 76212, 79132, 94308, 118698, 141462, 178047, 237396, 282924, 356094, 573707, 712188, 1147414, 1721121, 2294828, 3442242, 5163363, 6884484, 10326726, 20653452]

約数ペア:

[(1, 20653452), (2, 10326726), (3, 6884484), (4, 5163363), (6, 3442242), (9, 2294828), (12, 1721121), (18, 1147414), (29, 712188), (36, 573707), (58, 356094), (73, 282924), (87, 237396), (116, 178047), (146, 141462), (174, 118698), (219, 94308), (261, 79132), (271, 76212), (292, 70731), (348, 59349), (438, 47154), (522, 39566), (542, 38106), (657, 31436), (813, 25404), (876, 23577), (1044, 19783), (1084, 19053), (1314, 15718), (1626, 12702), (2117, 9756), (2439, 8468), (2628, 7859), (3252, 6351), (4234, 4878)]