20387586

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 41878080

約数和(自身を除く): 21490494

約数列:

[1, 2, 3, 6, 73, 89, 146, 178, 219, 267, 438, 523, 534, 1046, 1569, 3138, 6497, 12994, 19491, 38179, 38982, 46547, 76358, 93094, 114537, 139641, 229074, 279282, 3397931, 6795862, 10193793, 20387586]

約数ペア:

[(1, 20387586), (2, 10193793), (3, 6795862), (6, 3397931), (73, 279282), (89, 229074), (146, 139641), (178, 114537), (219, 93094), (267, 76358), (438, 46547), (523, 38982), (534, 38179), (1046, 19491), (1569, 12994), (3138, 6497)]