20186766

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 46472400

約数和(自身を除く): 26285634

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 389, 558, 778, 837, 961, 1167, 1674, 1922, 2334, 2883, 3501, 5766, 7002, 8649, 10503, 12059, 17298, 21006, 24118, 25947, 36177, 51894, 72354, 108531, 217062, 325593, 373829, 651186, 747658, 1121487, 2242974, 3364461, 6728922, 10093383, 20186766]

約数ペア:

[(1, 20186766), (2, 10093383), (3, 6728922), (6, 3364461), (9, 2242974), (18, 1121487), (27, 747658), (31, 651186), (54, 373829), (62, 325593), (93, 217062), (186, 108531), (279, 72354), (389, 51894), (558, 36177), (778, 25947), (837, 24118), (961, 21006), (1167, 17298), (1674, 12059), (1922, 10503), (2334, 8649), (2883, 7002), (3501, 5766)]