20458296

素因数分解:

$2^3\times 3^2\times {\mathrm{149}}^1\times {\mathrm{1907}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 55809000

約数和(自身を除く): 35350704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 298, 447, 596, 894, 1192, 1341, 1788, 1907, 2682, 3576, 3814, 5364, 5721, 7628, 10728, 11442, 15256, 17163, 22884, 34326, 45768, 68652, 137304, 284143, 568286, 852429, 1136572, 1704858, 2273144, 2557287, 3409716, 5114574, 6819432, 10229148, 20458296]

約数ペア:

[(1, 20458296), (2, 10229148), (3, 6819432), (4, 5114574), (6, 3409716), (8, 2557287), (9, 2273144), (12, 1704858), (18, 1136572), (24, 852429), (36, 568286), (72, 284143), (149, 137304), (298, 68652), (447, 45768), (596, 34326), (894, 22884), (1192, 17163), (1341, 15256), (1788, 11442), (1907, 10728), (2682, 7628), (3576, 5721), (3814, 5364)]