20989908

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 58665600

約数和(自身を除く): 37675692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 53, 54, 57, 76, 106, 108, 114, 159, 171, 193, 212, 228, 318, 342, 386, 477, 513, 579, 636, 684, 772, 954, 1007, 1026, 1158, 1431, 1737, 1908, 2014, 2052, 2316, 2862, 3021, 3474, 3667, 4028, 5211, 5724, 6042, 6948, 7334, 9063, 10229, 10422, 11001, 12084, 14668, 18126, 20458, 20844, 22002, 27189, 30687, 33003, 36252, 40916, 44004, 54378, 61374, 66006, 92061, 99009, 108756, 122748, 132012, 184122, 194351, 198018, 276183, 368244, 388702, 396036, 552366, 583053, 777404, 1104732, 1166106, 1749159, 2332212, 3498318, 5247477, 6996636, 10494954, 20989908]

約数ペア:

[(1, 20989908), (2, 10494954), (3, 6996636), (4, 5247477), (6, 3498318), (9, 2332212), (12, 1749159), (18, 1166106), (19, 1104732), (27, 777404), (36, 583053), (38, 552366), (53, 396036), (54, 388702), (57, 368244), (76, 276183), (106, 198018), (108, 194351), (114, 184122), (159, 132012), (171, 122748), (193, 108756), (212, 99009), (228, 92061), (318, 66006), (342, 61374), (386, 54378), (477, 44004), (513, 40916), (579, 36252), (636, 33003), (684, 30687), (772, 27189), (954, 22002), (1007, 20844), (1026, 20458), (1158, 18126), (1431, 14668), (1737, 12084), (1908, 11001), (2014, 10422), (2052, 10229), (2316, 9063), (2862, 7334), (3021, 6948), (3474, 6042), (3667, 5724), (4028, 5211)]