20517084

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3877}}^1$

素因数の和:3904

約数の個数: 72

約数和(自身を含む): 61892880

約数和(自身を除く): 41375796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3877, 5292, 7754, 11631, 15508, 23262, 27139, 34893, 46524, 54278, 69786, 81417, 104679, 108556, 139572, 162834, 189973, 209358, 244251, 325668, 379946, 418716, 488502, 569919, 732753, 759892, 977004, 1139838, 1465506, 1709757, 2279676, 2931012, 3419514, 5129271, 6839028, 10258542, 20517084]

約数ペア:

[(1, 20517084), (2, 10258542), (3, 6839028), (4, 5129271), (6, 3419514), (7, 2931012), (9, 2279676), (12, 1709757), (14, 1465506), (18, 1139838), (21, 977004), (27, 759892), (28, 732753), (36, 569919), (42, 488502), (49, 418716), (54, 379946), (63, 325668), (84, 244251), (98, 209358), (108, 189973), (126, 162834), (147, 139572), (189, 108556), (196, 104679), (252, 81417), (294, 69786), (378, 54278), (441, 46524), (588, 34893), (756, 27139), (882, 23262), (1323, 15508), (1764, 11631), (2646, 7754), (3877, 5292)]