20702056

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{181}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 42800940

約数和(自身を除く): 22098884

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 181, 232, 362, 493, 724, 841, 986, 1448, 1682, 1972, 3077, 3364, 3944, 5249, 6154, 6728, 10498, 12308, 14297, 20996, 24616, 28594, 41992, 57188, 89233, 114376, 152221, 178466, 304442, 356932, 608884, 713864, 1217768, 2587757, 5175514, 10351028, 20702056]

約数ペア:

[(1, 20702056), (2, 10351028), (4, 5175514), (8, 2587757), (17, 1217768), (29, 713864), (34, 608884), (58, 356932), (68, 304442), (116, 178466), (136, 152221), (181, 114376), (232, 89233), (362, 57188), (493, 41992), (724, 28594), (841, 24616), (986, 20996), (1448, 14297), (1682, 12308), (1972, 10498), (3077, 6728), (3364, 6154), (3944, 5249)]