20860984

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 40158000

約数和(自身を除く): 19297016

約数列:

[1, 2, 4, 8, 59, 118, 193, 229, 236, 386, 458, 472, 772, 916, 1544, 1832, 11387, 13511, 22774, 27022, 44197, 45548, 54044, 88394, 91096, 108088, 176788, 353576, 2607623, 5215246, 10430492, 20860984]

約数ペア:

[(1, 20860984), (2, 10430492), (4, 5215246), (8, 2607623), (59, 353576), (118, 176788), (193, 108088), (229, 91096), (236, 88394), (386, 54044), (458, 45548), (472, 44197), (772, 27022), (916, 22774), (1544, 13511), (1832, 11387)]