20626672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{719}}^1$

素因数の和:901

約数の個数: 40

約数和(自身を含む): 43925760

約数和(自身を除く): 23299088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 163, 176, 326, 652, 719, 1304, 1438, 1793, 2608, 2876, 3586, 5752, 7172, 7909, 11504, 14344, 15818, 28688, 31636, 63272, 117197, 126544, 234394, 468788, 937576, 1289167, 1875152, 2578334, 5156668, 10313336, 20626672]

約数ペア:

[(1, 20626672), (2, 10313336), (4, 5156668), (8, 2578334), (11, 1875152), (16, 1289167), (22, 937576), (44, 468788), (88, 234394), (163, 126544), (176, 117197), (326, 63272), (652, 31636), (719, 28688), (1304, 15818), (1438, 14344), (1793, 11504), (2608, 7909), (2876, 7172), (3586, 5752)]