20113247

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 26901504

約数和(自身を除く): 6788257

約数列:

[1, 7, 11, 23, 41, 77, 161, 253, 277, 287, 451, 943, 1771, 1939, 3047, 3157, 6371, 6601, 10373, 11357, 21329, 44597, 70081, 72611, 79499, 124927, 261211, 490567, 874489, 1828477, 2873321, 20113247]

約数ペア:

[(1, 20113247), (7, 2873321), (11, 1828477), (23, 874489), (41, 490567), (77, 261211), (161, 124927), (253, 79499), (277, 72611), (287, 70081), (451, 44597), (943, 21329), (1771, 11357), (1939, 10373), (3047, 6601), (3157, 6371)]