20739385

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 25502400

約数和(自身を除く): 4763015

約数列:

[1, 5, 59, 229, 295, 307, 1145, 1535, 13511, 18113, 67555, 70303, 90565, 351515, 4147877, 20739385]

約数ペア:

[(1, 20739385), (5, 4147877), (59, 351515), (229, 90565), (295, 70303), (307, 67555), (1145, 18113), (1535, 13511)]