20346864

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 55710720

約数和(自身を除く): 35363856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 47, 48, 58, 87, 94, 116, 141, 174, 188, 232, 282, 311, 348, 376, 464, 564, 622, 696, 752, 933, 1128, 1244, 1363, 1392, 1866, 2256, 2488, 2726, 3732, 4089, 4976, 5452, 7464, 8178, 9019, 10904, 14617, 14928, 16356, 18038, 21808, 27057, 29234, 32712, 36076, 43851, 54114, 58468, 65424, 72152, 87702, 108228, 116936, 144304, 175404, 216456, 233872, 350808, 423893, 432912, 701616, 847786, 1271679, 1695572, 2543358, 3391144, 5086716, 6782288, 10173432, 20346864]

約数ペア:

[(1, 20346864), (2, 10173432), (3, 6782288), (4, 5086716), (6, 3391144), (8, 2543358), (12, 1695572), (16, 1271679), (24, 847786), (29, 701616), (47, 432912), (48, 423893), (58, 350808), (87, 233872), (94, 216456), (116, 175404), (141, 144304), (174, 116936), (188, 108228), (232, 87702), (282, 72152), (311, 65424), (348, 58468), (376, 54114), (464, 43851), (564, 36076), (622, 32712), (696, 29234), (752, 27057), (933, 21808), (1128, 18038), (1244, 16356), (1363, 14928), (1392, 14617), (1866, 10904), (2256, 9019), (2488, 8178), (2726, 7464), (3732, 5452), (4089, 4976)]