20167854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 49152000

約数和(自身を除く): 28984146

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 127, 133, 199, 254, 266, 381, 398, 399, 597, 762, 798, 889, 1194, 1393, 1778, 2413, 2667, 2786, 3781, 4179, 4826, 5334, 7239, 7562, 8358, 11343, 14478, 16891, 22686, 25273, 26467, 33782, 50546, 50673, 52934, 75819, 79401, 101346, 151638, 158802, 176911, 353822, 480187, 530733, 960374, 1061466, 1440561, 2881122, 3361309, 6722618, 10083927, 20167854]

約数ペア:

[(1, 20167854), (2, 10083927), (3, 6722618), (6, 3361309), (7, 2881122), (14, 1440561), (19, 1061466), (21, 960374), (38, 530733), (42, 480187), (57, 353822), (114, 176911), (127, 158802), (133, 151638), (199, 101346), (254, 79401), (266, 75819), (381, 52934), (398, 50673), (399, 50546), (597, 33782), (762, 26467), (798, 25273), (889, 22686), (1194, 16891), (1393, 14478), (1778, 11343), (2413, 8358), (2667, 7562), (2786, 7239), (3781, 5334), (4179, 4826)]