20546421

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 33684480

約数和(自身を除く): 13138059

約数列:

[1, 3, 7, 17, 21, 51, 67, 119, 201, 357, 469, 859, 1139, 1407, 2577, 3417, 6013, 7973, 14603, 18039, 23919, 43809, 57553, 102221, 172659, 306663, 402871, 978401, 1208613, 2935203, 6848807, 20546421]

約数ペア:

[(1, 20546421), (3, 6848807), (7, 2935203), (17, 1208613), (21, 978401), (51, 402871), (67, 306663), (119, 172659), (201, 102221), (357, 57553), (469, 43809), (859, 23919), (1139, 18039), (1407, 14603), (2577, 7973), (3417, 6013)]