20689936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68059}}^1$

素因数の和:68086

約数の個数: 20

約数和(自身を含む): 42197200

約数和(自身を除く): 21507264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68059, 136118, 272236, 544472, 1088944, 1293121, 2586242, 5172484, 10344968, 20689936]

約数ペア:

[(1, 20689936), (2, 10344968), (4, 5172484), (8, 2586242), (16, 1293121), (19, 1088944), (38, 544472), (76, 272236), (152, 136118), (304, 68059)]