20157876837

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2091283}}^1$

素因数の和:2091319

約数の個数: 40

約数和(自身を含む): 36438532416

約数和(自身を除く): 16280655579

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 3213, 9639, 2091283, 6273849, 14638981, 18821547, 35551811, 43916943, 56464641, 106655433, 131750829, 169393923, 248862677, 319966299, 395252487, 746588031, 959898897, 1185757461, 2239764093, 2879696691, 6719292279, 20157876837]

約数ペア:

[(1, 20157876837), (3, 6719292279), (7, 2879696691), (9, 2239764093), (17, 1185757461), (21, 959898897), (27, 746588031), (51, 395252487), (63, 319966299), (81, 248862677), (119, 169393923), (153, 131750829), (189, 106655433), (357, 56464641), (459, 43916943), (567, 35551811), (1071, 18821547), (1377, 14638981), (3213, 6273849), (9639, 2091283)]