20652772

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38821}}^1$

素因数の和:38851

約数の個数: 24

約数和(自身を含む): 43480640

約数和(自身を除く): 22827868

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38821, 77642, 155284, 271747, 543494, 737599, 1086988, 1475198, 2950396, 5163193, 10326386, 20652772]

約数ペア:

[(1, 20652772), (2, 10326386), (4, 5163193), (7, 2950396), (14, 1475198), (19, 1086988), (28, 737599), (38, 543494), (76, 271747), (133, 155284), (266, 77642), (532, 38821)]