20940756

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 50512896

約数和(自身を除く): 29572140

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 107, 141, 188, 214, 282, 321, 347, 428, 564, 642, 694, 1041, 1284, 1388, 2082, 4164, 5029, 10058, 15087, 16309, 20116, 30174, 32618, 37129, 48927, 60348, 65236, 74258, 97854, 111387, 148516, 195708, 222774, 445548, 1745063, 3490126, 5235189, 6980252, 10470378, 20940756]

約数ペア:

[(1, 20940756), (2, 10470378), (3, 6980252), (4, 5235189), (6, 3490126), (12, 1745063), (47, 445548), (94, 222774), (107, 195708), (141, 148516), (188, 111387), (214, 97854), (282, 74258), (321, 65236), (347, 60348), (428, 48927), (564, 37129), (642, 32618), (694, 30174), (1041, 20116), (1284, 16309), (1388, 15087), (2082, 10058), (4164, 5029)]