20009878

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{773}}^1$

素因数の和:868

約数の個数: 24

約数和(自身を含む): 35164368

約数和(自身を除く): 15154490

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 773, 1546, 1849, 3698, 5411, 10822, 12943, 25886, 33239, 66478, 232673, 465346, 1429277, 2858554, 10004939, 20009878]

約数ペア:

[(1, 20009878), (2, 10004939), (7, 2858554), (14, 1429277), (43, 465346), (86, 232673), (301, 66478), (602, 33239), (773, 25886), (1546, 12943), (1849, 10822), (3698, 5411)]