20970117

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{613}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 35759360

約数和(自身を除く): 14789243

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 613, 1267, 1629, 1839, 3801, 4291, 4887, 5517, 11403, 12873, 16551, 34209, 38619, 110953, 115857, 332859, 776671, 998577, 2330013, 2995731, 6990039, 20970117]

約数ペア:

[(1, 20970117), (3, 6990039), (7, 2995731), (9, 2330013), (21, 998577), (27, 776671), (63, 332859), (181, 115857), (189, 110953), (543, 38619), (613, 34209), (1267, 16551), (1629, 12873), (1839, 11403), (3801, 5517), (4291, 4887)]