20921152018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17120419}}^1$

素因数の和:17120481

約数の個数: 16

約数和(自身を含む): 34514766720

約数和(自身を除く): 13593614702

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17120419, 34240838, 222565447, 445130894, 804659693, 1609319386, 10460576009, 20921152018]

約数ペア:

[(1, 20921152018), (2, 10460576009), (13, 1609319386), (26, 804659693), (47, 445130894), (94, 222565447), (611, 34240838), (1222, 17120419)]