20939562

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23741}}^1$

素因数の和:23763

約数の個数: 36

約数和(自身を含む): 52778466

約数和(自身を除く): 31838904

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23741, 47482, 71223, 142446, 166187, 213669, 332374, 427338, 498561, 997122, 1163309, 1495683, 2326618, 2991366, 3489927, 6979854, 10469781, 20939562]

約数ペア:

[(1, 20939562), (2, 10469781), (3, 6979854), (6, 3489927), (7, 2991366), (9, 2326618), (14, 1495683), (18, 1163309), (21, 997122), (42, 498561), (49, 427338), (63, 332374), (98, 213669), (126, 166187), (147, 142446), (294, 71223), (441, 47482), (882, 23741)]