20568944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6151}}^1$

素因数の和:6189

約数の個数: 40

約数和(自身を含む): 45770880

約数和(自身を除く): 25201936

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6151, 12302, 24604, 49208, 67661, 98416, 116869, 135322, 233738, 270644, 467476, 541288, 934952, 1082576, 1285559, 1869904, 2571118, 5142236, 10284472, 20568944]

約数ペア:

[(1, 20568944), (2, 10284472), (4, 5142236), (8, 2571118), (11, 1869904), (16, 1285559), (19, 1082576), (22, 934952), (38, 541288), (44, 467476), (76, 270644), (88, 233738), (152, 135322), (176, 116869), (209, 98416), (304, 67661), (418, 49208), (836, 24604), (1672, 12302), (3344, 6151)]