20177529848

素因数分解:

$2^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{666013}}^1$

素因数の和:666567

約数の個数: 32

約数和(自身を含む): 43317550560

約数和(自身を除く): 23140020712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 541, 1082, 2164, 3787, 4328, 7574, 15148, 30296, 666013, 1332026, 2664052, 4662091, 5328104, 9324182, 18648364, 37296728, 360313033, 720626066, 1441252132, 2522191231, 2882504264, 5044382462, 10088764924, 20177529848]

約数ペア:

[(1, 20177529848), (2, 10088764924), (4, 5044382462), (7, 2882504264), (8, 2522191231), (14, 1441252132), (28, 720626066), (56, 360313033), (541, 37296728), (1082, 18648364), (2164, 9324182), (3787, 5328104), (4328, 4662091), (7574, 2664052), (15148, 1332026), (30296, 666013)]