20211572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12923}}^1$

素因数の和:12967

約数の個数: 24

約数和(自身を含む): 39082176

約数和(自身を除く): 18870604

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 12923, 25846, 51692, 219691, 297229, 439382, 594458, 878764, 1188916, 5052893, 10105786, 20211572]

約数ペア:

[(1, 20211572), (2, 10105786), (4, 5052893), (17, 1188916), (23, 878764), (34, 594458), (46, 439382), (68, 297229), (92, 219691), (391, 51692), (782, 25846), (1564, 12923)]