20927896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1459}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 43099200

約数和(自身を除く): 22171304

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 163, 326, 652, 1304, 1459, 1793, 2918, 3586, 5836, 7172, 11672, 14344, 16049, 32098, 64196, 128392, 237817, 475634, 951268, 1902536, 2615987, 5231974, 10463948, 20927896]

約数ペア:

[(1, 20927896), (2, 10463948), (4, 5231974), (8, 2615987), (11, 1902536), (22, 951268), (44, 475634), (88, 237817), (163, 128392), (326, 64196), (652, 32098), (1304, 16049), (1459, 14344), (1793, 11672), (2918, 7172), (3586, 5836)]