20687557247

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{8783}}^1$

素因数の和:9143

約数の個数: 32

約数和(自身を含む): 25146132480

約数和(自身を除く): 4458575233

約数列:

[1, 7, 29, 41, 203, 283, 287, 1189, 1981, 8207, 8323, 8783, 11603, 57449, 61481, 81221, 254707, 336487, 360103, 1782949, 2355409, 2485589, 2520721, 10442987, 17399123, 72082081, 73100909, 101909149, 504574567, 713364043, 2955365321, 20687557247]

約数ペア:

[(1, 20687557247), (7, 2955365321), (29, 713364043), (41, 504574567), (203, 101909149), (283, 73100909), (287, 72082081), (1189, 17399123), (1981, 10442987), (8207, 2520721), (8323, 2485589), (8783, 2355409), (11603, 1782949), (57449, 360103), (61481, 336487), (81221, 254707)]