20164846855

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1\times {\mathrm{509}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 24676819200

約数和(自身を除く): 4511972345

約数列:

[1, 5, 109, 157, 463, 509, 545, 785, 2315, 2545, 17113, 50467, 55481, 72691, 79913, 85565, 235667, 252335, 277405, 363455, 399565, 1178335, 7923319, 8710517, 25687703, 36999719, 39616595, 43552585, 128438515, 184998595, 4032969371, 20164846855]

約数ペア:

[(1, 20164846855), (5, 4032969371), (109, 184998595), (157, 128438515), (463, 43552585), (509, 39616595), (545, 36999719), (785, 25687703), (2315, 8710517), (2545, 7923319), (17113, 1178335), (50467, 399565), (55481, 363455), (72691, 277405), (79913, 252335), (85565, 235667)]