20172636

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^3\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 72

約数和(自身を含む): 56220528

約数和(自身を除く): 36047892

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 421, 484, 726, 842, 1089, 1263, 1331, 1452, 1684, 2178, 2526, 2662, 3789, 3993, 4356, 4631, 5052, 5324, 7578, 7986, 9262, 11979, 13893, 15156, 15972, 18524, 23958, 27786, 41679, 47916, 50941, 55572, 83358, 101882, 152823, 166716, 203764, 305646, 458469, 560351, 611292, 916938, 1120702, 1681053, 1833876, 2241404, 3362106, 5043159, 6724212, 10086318, 20172636]

約数ペア:

[(1, 20172636), (2, 10086318), (3, 6724212), (4, 5043159), (6, 3362106), (9, 2241404), (11, 1833876), (12, 1681053), (18, 1120702), (22, 916938), (33, 611292), (36, 560351), (44, 458469), (66, 305646), (99, 203764), (121, 166716), (132, 152823), (198, 101882), (242, 83358), (363, 55572), (396, 50941), (421, 47916), (484, 41679), (726, 27786), (842, 23958), (1089, 18524), (1263, 15972), (1331, 15156), (1452, 13893), (1684, 11979), (2178, 9262), (2526, 7986), (2662, 7578), (3789, 5324), (3993, 5052), (4356, 4631)]