20902728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11311}}^1$

素因数の和:11338

約数の個数: 64

約数和(自身を含む): 65157120

約数和(自身を除く): 44254392

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11311, 22622, 33933, 45244, 67866, 79177, 90488, 124421, 135732, 158354, 237531, 248842, 271464, 316708, 373263, 475062, 497684, 633416, 746526, 870947, 950124, 995368, 1493052, 1741894, 1900248, 2612841, 2986104, 3483788, 5225682, 6967576, 10451364, 20902728]

約数ペア:

[(1, 20902728), (2, 10451364), (3, 6967576), (4, 5225682), (6, 3483788), (7, 2986104), (8, 2612841), (11, 1900248), (12, 1741894), (14, 1493052), (21, 995368), (22, 950124), (24, 870947), (28, 746526), (33, 633416), (42, 497684), (44, 475062), (56, 373263), (66, 316708), (77, 271464), (84, 248842), (88, 237531), (132, 158354), (154, 135732), (168, 124421), (231, 90488), (264, 79177), (308, 67866), (462, 45244), (616, 33933), (924, 22622), (1848, 11311)]