20760844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21013}}^1$

素因数の和:21049

約数の個数: 24

約数和(自身を含む): 41187440

約数和(自身を除く): 20426596

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21013, 42026, 84052, 273169, 399247, 546338, 798494, 1092676, 1596988, 5190211, 10380422, 20760844]

約数ペア:

[(1, 20760844), (2, 10380422), (4, 5190211), (13, 1596988), (19, 1092676), (26, 798494), (38, 546338), (52, 399247), (76, 273169), (247, 84052), (494, 42026), (988, 21013)]