20720586

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6553}}^1$

素因数の和:6606

約数の個数: 32

約数和(自身を含む): 45301248

約数和(自身を除く): 24580662

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 62, 93, 102, 186, 527, 1054, 1581, 3162, 6553, 13106, 19659, 39318, 111401, 203143, 222802, 334203, 406286, 609429, 668406, 1218858, 3453431, 6906862, 10360293, 20720586]

約数ペア:

[(1, 20720586), (2, 10360293), (3, 6906862), (6, 3453431), (17, 1218858), (31, 668406), (34, 609429), (51, 406286), (62, 334203), (93, 222802), (102, 203143), (186, 111401), (527, 39318), (1054, 19659), (1581, 13106), (3162, 6553)]