20396810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4349}}^1$

素因数の和:4430

約数の個数: 32

約数和(自身を含む): 42595200

約数和(自身を除く): 22198390

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4349, 4690, 8698, 21745, 30443, 43490, 60886, 152215, 291383, 304430, 582766, 1456915, 2039681, 2913830, 4079362, 10198405, 20396810]

約数ペア:

[(1, 20396810), (2, 10198405), (5, 4079362), (7, 2913830), (10, 2039681), (14, 1456915), (35, 582766), (67, 304430), (70, 291383), (134, 152215), (335, 60886), (469, 43490), (670, 30443), (938, 21745), (2345, 8698), (4349, 4690)]