20798924242

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1\times {\mathrm{7901}}^1$

素因数の和:8658

約数の個数: 32

約数和(自身を含む): 32975994240

約数和(自身を除く): 12177069998

約数列:

[1, 2, 23, 46, 89, 178, 643, 1286, 2047, 4094, 7901, 14789, 15802, 29578, 57227, 114454, 181723, 363446, 703189, 1316221, 1406378, 2632442, 5080343, 10160686, 16173347, 32346694, 116847889, 233695778, 452150527, 904301054, 10399462121, 20798924242]

約数ペア:

[(1, 20798924242), (2, 10399462121), (23, 904301054), (46, 452150527), (89, 233695778), (178, 116847889), (643, 32346694), (1286, 16173347), (2047, 10160686), (4094, 5080343), (7901, 2632442), (14789, 1406378), (15802, 1316221), (29578, 703189), (57227, 363446), (114454, 181723)]