20662668

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{14717}}^1$

素因数の和:14743

約数の個数: 48

約数和(自身を含む): 57694560

約数和(自身を除く): 37031892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 14717, 29434, 44151, 58868, 88302, 132453, 176604, 191321, 264906, 382642, 397359, 529812, 573963, 765284, 794718, 1147926, 1589436, 1721889, 2295852, 3443778, 5165667, 6887556, 10331334, 20662668]

約数ペア:

[(1, 20662668), (2, 10331334), (3, 6887556), (4, 5165667), (6, 3443778), (9, 2295852), (12, 1721889), (13, 1589436), (18, 1147926), (26, 794718), (27, 765284), (36, 573963), (39, 529812), (52, 397359), (54, 382642), (78, 264906), (108, 191321), (117, 176604), (156, 132453), (234, 88302), (351, 58868), (468, 44151), (702, 29434), (1404, 14717)]