20810972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57173}}^1$

素因数の和:57197

約数の個数: 24

約数和(自身を含む): 44824416

約数和(自身を除く): 24013444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57173, 114346, 228692, 400211, 743249, 800422, 1486498, 1600844, 2972996, 5202743, 10405486, 20810972]

約数ペア:

[(1, 20810972), (2, 10405486), (4, 5202743), (7, 2972996), (13, 1600844), (14, 1486498), (26, 800422), (28, 743249), (52, 400211), (91, 228692), (182, 114346), (364, 57173)]