20173784409

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{1523}}^1$

素因数の和:1998

約数の個数: 48

約数和(自身を含む): 30377977344

約数和(自身を除く): 10204192935

約数列:

[1, 3, 9, 31, 93, 197, 241, 279, 591, 723, 1523, 1773, 2169, 4569, 6107, 7471, 13707, 18321, 22413, 47213, 47477, 54963, 67239, 141639, 142431, 300031, 367043, 424917, 427293, 900093, 1101129, 1471787, 2700279, 3303387, 4415361, 9300961, 11378333, 13246083, 27902883, 34134999, 72307471, 83708649, 102404997, 216922413, 650767239, 2241531601, 6724594803, 20173784409]

約数ペア:

[(1, 20173784409), (3, 6724594803), (9, 2241531601), (31, 650767239), (93, 216922413), (197, 102404997), (241, 83708649), (279, 72307471), (591, 34134999), (723, 27902883), (1523, 13246083), (1773, 11378333), (2169, 9300961), (4569, 4415361), (6107, 3303387), (7471, 2700279), (13707, 1471787), (18321, 1101129), (22413, 900093), (47213, 427293), (47477, 424917), (54963, 367043), (67239, 300031), (141639, 142431)]