20656320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21517}}^1$

素因数の和:21537

約数の個数: 56

約数和(自身を含む): 65586864

約数和(自身を除く): 44930544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21517, 43034, 64551, 86068, 107585, 129102, 172136, 215170, 258204, 322755, 344272, 430340, 516408, 645510, 688544, 860680, 1032816, 1291020, 1377088, 1721360, 2065632, 2582040, 3442720, 4131264, 5164080, 6885440, 10328160, 20656320]

約数ペア:

[(1, 20656320), (2, 10328160), (3, 6885440), (4, 5164080), (5, 4131264), (6, 3442720), (8, 2582040), (10, 2065632), (12, 1721360), (15, 1377088), (16, 1291020), (20, 1032816), (24, 860680), (30, 688544), (32, 645510), (40, 516408), (48, 430340), (60, 344272), (64, 322755), (80, 258204), (96, 215170), (120, 172136), (160, 129102), (192, 107585), (240, 86068), (320, 64551), (480, 43034), (960, 21517)]