20318697721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{70937}}^1$

素因数の和:71073

約数の個数: 32

約数和(自身を含む): 25741981440

約数和(自身を除く): 5423283719

約数列:

[1, 7, 17, 29, 83, 119, 203, 493, 581, 1411, 2407, 3451, 9877, 16849, 40919, 70937, 286433, 496559, 1205929, 2057173, 5887771, 8441503, 14400211, 34971941, 41214397, 100092107, 170745359, 244803587, 700644749, 1195217513, 2902671103, 20318697721]

約数ペア:

[(1, 20318697721), (7, 2902671103), (17, 1195217513), (29, 700644749), (83, 244803587), (119, 170745359), (203, 100092107), (493, 41214397), (581, 34971941), (1411, 14400211), (2407, 8441503), (3451, 5887771), (9877, 2057173), (16849, 1205929), (40919, 496559), (70937, 286433)]