20851572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6709}}^1$

素因数の和:6760

約数の個数: 48

約数和(自身を含む): 57115520

約数和(自身を除く): 36263948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6709, 13418, 20127, 26836, 40254, 46963, 80508, 93926, 140889, 187852, 248233, 281778, 496466, 563556, 744699, 992932, 1489398, 1737631, 2978796, 3475262, 5212893, 6950524, 10425786, 20851572]

約数ペア:

[(1, 20851572), (2, 10425786), (3, 6950524), (4, 5212893), (6, 3475262), (7, 2978796), (12, 1737631), (14, 1489398), (21, 992932), (28, 744699), (37, 563556), (42, 496466), (74, 281778), (84, 248233), (111, 187852), (148, 140889), (222, 93926), (259, 80508), (444, 46963), (518, 40254), (777, 26836), (1036, 20127), (1554, 13418), (3108, 6709)]