20880622

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 16070930

約数列:

[1, 2, 7, 14, 53, 106, 107, 214, 263, 371, 526, 742, 749, 1498, 1841, 3682, 5671, 11342, 13939, 27878, 28141, 39697, 56282, 79394, 97573, 195146, 196987, 393974, 1491473, 2982946, 10440311, 20880622]

約数ペア:

[(1, 20880622), (2, 10440311), (7, 2982946), (14, 1491473), (53, 393974), (106, 196987), (107, 195146), (214, 97573), (263, 79394), (371, 56282), (526, 39697), (742, 28141), (749, 27878), (1498, 13939), (1841, 11342), (3682, 5671)]