20012076

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 60103680

約数和(自身を除く): 40091604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 103, 108, 126, 189, 206, 252, 257, 309, 378, 412, 514, 618, 721, 756, 771, 927, 1028, 1236, 1442, 1542, 1799, 1854, 2163, 2313, 2781, 2884, 3084, 3598, 3708, 4326, 4626, 5397, 5562, 6489, 6939, 7196, 8652, 9252, 10794, 11124, 12978, 13878, 16191, 19467, 21588, 25956, 26471, 27756, 32382, 38934, 48573, 52942, 64764, 77868, 79413, 97146, 105884, 158826, 185297, 194292, 238239, 317652, 370594, 476478, 555891, 714717, 741188, 952956, 1111782, 1429434, 1667673, 2223564, 2858868, 3335346, 5003019, 6670692, 10006038, 20012076]

約数ペア:

[(1, 20012076), (2, 10006038), (3, 6670692), (4, 5003019), (6, 3335346), (7, 2858868), (9, 2223564), (12, 1667673), (14, 1429434), (18, 1111782), (21, 952956), (27, 741188), (28, 714717), (36, 555891), (42, 476478), (54, 370594), (63, 317652), (84, 238239), (103, 194292), (108, 185297), (126, 158826), (189, 105884), (206, 97146), (252, 79413), (257, 77868), (309, 64764), (378, 52942), (412, 48573), (514, 38934), (618, 32382), (721, 27756), (756, 26471), (771, 25956), (927, 21588), (1028, 19467), (1236, 16191), (1442, 13878), (1542, 12978), (1799, 11124), (1854, 10794), (2163, 9252), (2313, 8652), (2781, 7196), (2884, 6939), (3084, 6489), (3598, 5562), (3708, 5397), (4326, 4626)]