20881224

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3187}}^1$

素因数の和:3219

約数の個数: 96

約数和(自身を含む): 69625920

約数和(自身を除く): 48744696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 234, 252, 273, 312, 364, 468, 504, 546, 728, 819, 936, 1092, 1638, 2184, 3187, 3276, 6374, 6552, 9561, 12748, 19122, 22309, 25496, 28683, 38244, 41431, 44618, 57366, 66927, 76488, 82862, 89236, 114732, 124293, 133854, 165724, 178472, 200781, 229464, 248586, 267708, 290017, 331448, 372879, 401562, 497172, 535416, 580034, 745758, 803124, 870051, 994344, 1160068, 1491516, 1606248, 1740102, 2320136, 2610153, 2983032, 3480204, 5220306, 6960408, 10440612, 20881224]

約数ペア:

[(1, 20881224), (2, 10440612), (3, 6960408), (4, 5220306), (6, 3480204), (7, 2983032), (8, 2610153), (9, 2320136), (12, 1740102), (13, 1606248), (14, 1491516), (18, 1160068), (21, 994344), (24, 870051), (26, 803124), (28, 745758), (36, 580034), (39, 535416), (42, 497172), (52, 401562), (56, 372879), (63, 331448), (72, 290017), (78, 267708), (84, 248586), (91, 229464), (104, 200781), (117, 178472), (126, 165724), (156, 133854), (168, 124293), (182, 114732), (234, 89236), (252, 82862), (273, 76488), (312, 66927), (364, 57366), (468, 44618), (504, 41431), (546, 38244), (728, 28683), (819, 25496), (936, 22309), (1092, 19122), (1638, 12748), (2184, 9561), (3187, 6552), (3276, 6374)]