20704530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8963}}^1$

素因数の和:8991

約数の個数: 64

約数和(自身を含む): 61959168

約数和(自身を除く): 41254638

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 8963, 17926, 26889, 44815, 53778, 62741, 89630, 98593, 125482, 134445, 188223, 197186, 268890, 295779, 313705, 376446, 492965, 591558, 627410, 690151, 941115, 985930, 1380302, 1478895, 1882230, 2070453, 2957790, 3450755, 4140906, 6901510, 10352265, 20704530]

約数ペア:

[(1, 20704530), (2, 10352265), (3, 6901510), (5, 4140906), (6, 3450755), (7, 2957790), (10, 2070453), (11, 1882230), (14, 1478895), (15, 1380302), (21, 985930), (22, 941115), (30, 690151), (33, 627410), (35, 591558), (42, 492965), (55, 376446), (66, 313705), (70, 295779), (77, 268890), (105, 197186), (110, 188223), (154, 134445), (165, 125482), (210, 98593), (231, 89630), (330, 62741), (385, 53778), (462, 44815), (770, 26889), (1155, 17926), (2310, 8963)]