20259536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2677}}^1$

素因数の和:2739

約数の個数: 40

約数和(自身を含む): 43833504

約数和(自身を除く): 23573968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2677, 3784, 5354, 7568, 10708, 21416, 29447, 42832, 58894, 115111, 117788, 230222, 235576, 460444, 471152, 920888, 1266221, 1841776, 2532442, 5064884, 10129768, 20259536]

約数ペア:

[(1, 20259536), (2, 10129768), (4, 5064884), (8, 2532442), (11, 1841776), (16, 1266221), (22, 920888), (43, 471152), (44, 460444), (86, 235576), (88, 230222), (172, 117788), (176, 115111), (344, 58894), (473, 42832), (688, 29447), (946, 21416), (1892, 10708), (2677, 7568), (3784, 5354)]