20307196

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 24399620

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 182, 188, 329, 364, 611, 658, 1187, 1222, 1316, 2374, 2444, 4277, 4748, 8309, 8554, 15431, 16618, 17108, 30862, 33236, 55789, 61724, 108017, 111578, 216034, 223156, 390523, 432068, 725257, 781046, 1450514, 1562092, 2901028, 5076799, 10153598, 20307196]

約数ペア:

[(1, 20307196), (2, 10153598), (4, 5076799), (7, 2901028), (13, 1562092), (14, 1450514), (26, 781046), (28, 725257), (47, 432068), (52, 390523), (91, 223156), (94, 216034), (182, 111578), (188, 108017), (329, 61724), (364, 55789), (611, 33236), (658, 30862), (1187, 17108), (1222, 16618), (1316, 15431), (2374, 8554), (2444, 8309), (4277, 4748)]