20719530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5903}}^1$

素因数の和:5932

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 38792790

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 5903, 11806, 17709, 29515, 35418, 53127, 59030, 76739, 88545, 106254, 153478, 159381, 177090, 230217, 265635, 318762, 383695, 460434, 531270, 690651, 767390, 796905, 1151085, 1381302, 1593810, 2071953, 2302170, 3453255, 4143906, 6906510, 10359765, 20719530]

約数ペア:

[(1, 20719530), (2, 10359765), (3, 6906510), (5, 4143906), (6, 3453255), (9, 2302170), (10, 2071953), (13, 1593810), (15, 1381302), (18, 1151085), (26, 796905), (27, 767390), (30, 690651), (39, 531270), (45, 460434), (54, 383695), (65, 318762), (78, 265635), (90, 230217), (117, 177090), (130, 159381), (135, 153478), (195, 106254), (234, 88545), (270, 76739), (351, 59030), (390, 53127), (585, 35418), (702, 29515), (1170, 17709), (1755, 11806), (3510, 5903)]