20990174

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14929}}^1$

素因数の和:14987

約数の個数: 16

約数和(自身を含む): 34040400

約数和(自身を除く): 13050226

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14929, 29858, 283651, 552373, 567302, 1104746, 10495087, 20990174]

約数ペア:

[(1, 20990174), (2, 10495087), (19, 1104746), (37, 567302), (38, 552373), (74, 283651), (703, 29858), (1406, 14929)]