20206473

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 11761527

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 269, 343, 511, 807, 1029, 1533, 1883, 3577, 5649, 10731, 13181, 19637, 25039, 39543, 58911, 75117, 92267, 137459, 276801, 412377, 962213, 2886639, 6735491, 20206473]

約数ペア:

[(1, 20206473), (3, 6735491), (7, 2886639), (21, 962213), (49, 412377), (73, 276801), (147, 137459), (219, 92267), (269, 75117), (343, 58911), (511, 39543), (807, 25039), (1029, 19637), (1533, 13181), (1883, 10731), (3577, 5649)]