20166916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1597}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 45101952

約数和(自身を除く): 24935036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1597, 1804, 3157, 3194, 6314, 6388, 11179, 12628, 17567, 22358, 35134, 44716, 65477, 70268, 122969, 130954, 245938, 261908, 458339, 491876, 720247, 916678, 1440494, 1833356, 2880988, 5041729, 10083458, 20166916]

約数ペア:

[(1, 20166916), (2, 10083458), (4, 5041729), (7, 2880988), (11, 1833356), (14, 1440494), (22, 916678), (28, 720247), (41, 491876), (44, 458339), (77, 261908), (82, 245938), (154, 130954), (164, 122969), (287, 70268), (308, 65477), (451, 44716), (574, 35134), (902, 22358), (1148, 17567), (1597, 12628), (1804, 11179), (3157, 6388), (3194, 6314)]