20718614

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 37863936

約数和(自身を除く): 17145322

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 263, 331, 526, 662, 1841, 2317, 3682, 4471, 4634, 5627, 8942, 11254, 31297, 39389, 62594, 78778, 87053, 174106, 609371, 1218742, 1479901, 2959802, 10359307, 20718614]

約数ペア:

[(1, 20718614), (2, 10359307), (7, 2959802), (14, 1479901), (17, 1218742), (34, 609371), (119, 174106), (238, 87053), (263, 78778), (331, 62594), (526, 39389), (662, 31297), (1841, 11254), (2317, 8942), (3682, 5627), (4471, 4634)]