20542968338

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1\times {\mathrm{78017}}^1$

素因数の和:78218

約数の個数: 24

約数和(自身を含む): 32073355836

約数和(自身を除く): 11530387498

約数列:

[1, 2, 31, 62, 137, 274, 961, 1922, 4247, 8494, 78017, 131657, 156034, 263314, 2418527, 4837054, 10688329, 21376658, 74974337, 149948674, 331338199, 662676398, 10271484169, 20542968338]

約数ペア:

[(1, 20542968338), (2, 10271484169), (31, 662676398), (62, 331338199), (137, 149948674), (274, 74974337), (961, 21376658), (1922, 10688329), (4247, 4837054), (8494, 2418527), (78017, 263314), (131657, 156034)]