20049715

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 30081024

約数和(自身を除く): 10031309

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1085, 1087, 2635, 3689, 5435, 7609, 18445, 18479, 33697, 38045, 92395, 129353, 168485, 235879, 572849, 646765, 1179395, 2864245, 4009943, 20049715]

約数ペア:

[(1, 20049715), (5, 4009943), (7, 2864245), (17, 1179395), (31, 646765), (35, 572849), (85, 235879), (119, 168485), (155, 129353), (217, 92395), (527, 38045), (595, 33697), (1085, 18479), (1087, 18445), (2635, 7609), (3689, 5435)]