20318402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21121}}^1$

素因数の和:21173

約数の個数: 16

約数和(自身を含む): 33710712

約数和(自身を除く): 13392310

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21121, 42242, 274573, 549146, 781477, 1562954, 10159201, 20318402]

約数ペア:

[(1, 20318402), (2, 10159201), (13, 1562954), (26, 781477), (37, 549146), (74, 274573), (481, 42242), (962, 21121)]