20787029102

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{334487}}^1$

素因数の和:334712

約数の個数: 32

約数和(自身を含む): 37377027072

約数和(自身を除く): 16589997970

約数列:

[1, 2, 7, 14, 23, 46, 161, 193, 322, 386, 1351, 2702, 4439, 8878, 31073, 62146, 334487, 668974, 2341409, 4682818, 7693201, 15386402, 53852407, 64555991, 107704814, 129111982, 451891937, 903783874, 1484787793, 2969575586, 10393514551, 20787029102]

約数ペア:

[(1, 20787029102), (2, 10393514551), (7, 2969575586), (14, 1484787793), (23, 903783874), (46, 451891937), (161, 129111982), (193, 107704814), (322, 64555991), (386, 53852407), (1351, 15386402), (2702, 7693201), (4439, 4682818), (8878, 2341409), (31073, 668974), (62146, 334487)]