20999652

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40697}}^1$

素因数の和:40747

約数の個数: 24

約数和(自身を含む): 50139936

約数和(自身を除く): 29140284

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40697, 81394, 122091, 162788, 244182, 488364, 1749971, 3499942, 5249913, 6999884, 10499826, 20999652]

約数ペア:

[(1, 20999652), (2, 10499826), (3, 6999884), (4, 5249913), (6, 3499942), (12, 1749971), (43, 488364), (86, 244182), (129, 162788), (172, 122091), (258, 81394), (516, 40697)]