20942712

素因数分解:

$2^3\times 3^9\times 7^1\times {\mathrm{19}}^1$

素因数の和:59

約数の個数: 160

約数和(自身を含む): 70857600

約数和(自身を除く): 49914888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 81, 84, 108, 114, 126, 133, 152, 162, 168, 171, 189, 216, 228, 243, 252, 266, 324, 342, 378, 399, 456, 486, 504, 513, 532, 567, 648, 684, 729, 756, 798, 972, 1026, 1064, 1134, 1197, 1368, 1458, 1512, 1539, 1596, 1701, 1944, 2052, 2187, 2268, 2394, 2916, 3078, 3192, 3402, 3591, 4104, 4374, 4536, 4617, 4788, 5103, 5832, 6156, 6561, 6804, 7182, 8748, 9234, 9576, 10206, 10773, 12312, 13122, 13608, 13851, 14364, 15309, 17496, 18468, 19683, 20412, 21546, 26244, 27702, 28728, 30618, 32319, 36936, 39366, 40824, 41553, 43092, 45927, 52488, 55404, 61236, 64638, 78732, 83106, 86184, 91854, 96957, 110808, 122472, 124659, 129276, 137781, 157464, 166212, 183708, 193914, 249318, 258552, 275562, 290871, 332424, 367416, 373977, 387828, 498636, 551124, 581742, 747954, 775656, 872613, 997272, 1102248, 1163484, 1495908, 1745226, 2326968, 2617839, 2991816, 3490452, 5235678, 6980904, 10471356, 20942712]

約数ペア:

[(1, 20942712), (2, 10471356), (3, 6980904), (4, 5235678), (6, 3490452), (7, 2991816), (8, 2617839), (9, 2326968), (12, 1745226), (14, 1495908), (18, 1163484), (19, 1102248), (21, 997272), (24, 872613), (27, 775656), (28, 747954), (36, 581742), (38, 551124), (42, 498636), (54, 387828), (56, 373977), (57, 367416), (63, 332424), (72, 290871), (76, 275562), (81, 258552), (84, 249318), (108, 193914), (114, 183708), (126, 166212), (133, 157464), (152, 137781), (162, 129276), (168, 124659), (171, 122472), (189, 110808), (216, 96957), (228, 91854), (243, 86184), (252, 83106), (266, 78732), (324, 64638), (342, 61236), (378, 55404), (399, 52488), (456, 45927), (486, 43092), (504, 41553), (513, 40824), (532, 39366), (567, 36936), (648, 32319), (684, 30618), (729, 28728), (756, 27702), (798, 26244), (972, 21546), (1026, 20412), (1064, 19683), (1134, 18468), (1197, 17496), (1368, 15309), (1458, 14364), (1512, 13851), (1539, 13608), (1596, 13122), (1701, 12312), (1944, 10773), (2052, 10206), (2187, 9576), (2268, 9234), (2394, 8748), (2916, 7182), (3078, 6804), (3192, 6561), (3402, 6156), (3591, 5832), (4104, 5103), (4374, 4788), (4536, 4617)]