20158749603

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{883}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 29807122176

約数和(自身を除く): 9648372573

約数列:

[1, 3, 9, 107, 151, 157, 321, 453, 471, 883, 963, 1359, 1413, 2649, 7947, 16157, 16799, 23707, 48471, 50397, 71121, 94481, 133333, 138631, 145413, 151191, 213363, 283443, 399999, 415893, 850329, 1199997, 1247679, 2536649, 7609947, 14266631, 14833517, 20933281, 22829841, 42799893, 44500551, 62799843, 128399679, 133501653, 188399529, 2239861067, 6719583201, 20158749603]

約数ペア:

[(1, 20158749603), (3, 6719583201), (9, 2239861067), (107, 188399529), (151, 133501653), (157, 128399679), (321, 62799843), (453, 44500551), (471, 42799893), (883, 22829841), (963, 20933281), (1359, 14833517), (1413, 14266631), (2649, 7609947), (7947, 2536649), (16157, 1247679), (16799, 1199997), (23707, 850329), (48471, 415893), (50397, 399999), (71121, 283443), (94481, 213363), (133333, 151191), (138631, 145413)]