20827652

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 39713520

約数和(自身を除く): 18885868

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 419, 578, 731, 838, 1156, 1462, 1676, 2924, 7123, 12427, 14246, 18017, 24854, 28492, 36034, 49708, 72068, 121091, 242182, 306289, 484364, 612578, 1225156, 5206913, 10413826, 20827652]

約数ペア:

[(1, 20827652), (2, 10413826), (4, 5206913), (17, 1225156), (34, 612578), (43, 484364), (68, 306289), (86, 242182), (172, 121091), (289, 72068), (419, 49708), (578, 36034), (731, 28492), (838, 24854), (1156, 18017), (1462, 14246), (1676, 12427), (2924, 7123)]