20937165

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 13609011

約数列:

[1, 3, 5, 15, 67, 83, 201, 249, 251, 335, 415, 753, 1005, 1245, 1255, 3765, 5561, 16683, 16817, 20833, 27805, 50451, 62499, 83415, 84085, 104165, 252255, 312495, 1395811, 4187433, 6979055, 20937165]

約数ペア:

[(1, 20937165), (3, 6979055), (5, 4187433), (15, 1395811), (67, 312495), (83, 252255), (201, 104165), (249, 84085), (251, 83415), (335, 62499), (415, 50451), (753, 27805), (1005, 20833), (1245, 16817), (1255, 16683), (3765, 5561)]