20247915

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 13137045

約数列:

[1, 3, 5, 15, 59, 137, 167, 177, 295, 411, 501, 685, 835, 885, 2055, 2505, 8083, 9853, 22879, 24249, 29559, 40415, 49265, 68637, 114395, 121245, 147795, 343185, 1349861, 4049583, 6749305, 20247915]

約数ペア:

[(1, 20247915), (3, 6749305), (5, 4049583), (15, 1349861), (59, 343185), (137, 147795), (167, 121245), (177, 114395), (295, 68637), (411, 49265), (501, 40415), (685, 29559), (835, 24249), (885, 22879), (2055, 9853), (2505, 8083)]