20199778387695

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2591}}^1\times {\mathrm{315569}}^1$

素因数の和:318238

約数の個数: 80

約数和(自身を含む): 36817900289280

約数和(自身を除く): 16618121901585

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2591, 2745, 4941, 7773, 8235, 12955, 23319, 24705, 38865, 69957, 116595, 158051, 209871, 315569, 349785, 474153, 790255, 946707, 1049355, 1422459, 1577845, 2370765, 2840121, 4267377, 4733535, 7112295, 8520363, 12802131, 14200605, 19249709, 21336885, 25561089, 42601815, 57749127, 64010655, 96248545, 127805445, 173247381, 288745635, 519742143, 817639279, 866236905, 1559226429, 2452917837, 2598710715, 4088196395, 7358753511, 7796132145, 12264589185, 22076260533, 36793767555, 49875996019, 66228781599, 110381302665, 149627988057, 249379980095, 331143907995, 448883964171, 748139940285, 1346651892513, 2244419820855, 4039955677539, 6733259462565, 20199778387695]

約数ペア:

[(1, 20199778387695), (3, 6733259462565), (5, 4039955677539), (9, 2244419820855), (15, 1346651892513), (27, 748139940285), (45, 448883964171), (61, 331143907995), (81, 249379980095), (135, 149627988057), (183, 110381302665), (305, 66228781599), (405, 49875996019), (549, 36793767555), (915, 22076260533), (1647, 12264589185), (2591, 7796132145), (2745, 7358753511), (4941, 4088196395), (7773, 2598710715), (8235, 2452917837), (12955, 1559226429), (23319, 866236905), (24705, 817639279), (38865, 519742143), (69957, 288745635), (116595, 173247381), (158051, 127805445), (209871, 96248545), (315569, 64010655), (349785, 57749127), (474153, 42601815), (790255, 25561089), (946707, 21336885), (1049355, 19249709), (1422459, 14200605), (1577845, 12802131), (2370765, 8520363), (2840121, 7112295), (4267377, 4733535)]