20195896

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8387}}^1$

素因数の和:8443

約数の個数: 32

約数和(自身を含む): 44288640

約数和(自身を除く): 24092744

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8387, 16774, 33548, 58709, 67096, 117418, 234836, 360641, 469672, 721282, 1442564, 2524487, 2885128, 5048974, 10097948, 20195896]

約数ペア:

[(1, 20195896), (2, 10097948), (4, 5048974), (7, 2885128), (8, 2524487), (14, 1442564), (28, 721282), (43, 469672), (56, 360641), (86, 234836), (172, 117418), (301, 67096), (344, 58709), (602, 33548), (1204, 16774), (2408, 8387)]