20470842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4391}}^1$

素因数の和:4443

約数の個数: 48

約数和(自身を含む): 52071552

約数和(自身を除く): 31600710

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4391, 4662, 8782, 13173, 26346, 30737, 39519, 61474, 79038, 92211, 162467, 184422, 276633, 324934, 487401, 553266, 974802, 1137269, 1462203, 2274538, 2924406, 3411807, 6823614, 10235421, 20470842]

約数ペア:

[(1, 20470842), (2, 10235421), (3, 6823614), (6, 3411807), (7, 2924406), (9, 2274538), (14, 1462203), (18, 1137269), (21, 974802), (37, 553266), (42, 487401), (63, 324934), (74, 276633), (111, 184422), (126, 162467), (222, 92211), (259, 79038), (333, 61474), (518, 39519), (666, 30737), (777, 26346), (1554, 13173), (2331, 8782), (4391, 4662)]