20768156950

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{22027}}^1$

素因数の和:22321

約数の個数: 48

約数和(自身を含む): 39210280560

約数和(自身を除く): 18442123610

約数列:

[1, 2, 5, 10, 25, 50, 109, 173, 218, 346, 545, 865, 1090, 1730, 2725, 4325, 5450, 8650, 18857, 22027, 37714, 44054, 94285, 110135, 188570, 220270, 471425, 550675, 942850, 1101350, 2400943, 3810671, 4801886, 7621342, 12004715, 19053355, 24009430, 38106710, 60023575, 95266775, 120047150, 190533550, 415363139, 830726278, 2076815695, 4153631390, 10384078475, 20768156950]

約数ペア:

[(1, 20768156950), (2, 10384078475), (5, 4153631390), (10, 2076815695), (25, 830726278), (50, 415363139), (109, 190533550), (173, 120047150), (218, 95266775), (346, 60023575), (545, 38106710), (865, 24009430), (1090, 19053355), (1730, 12004715), (2725, 7621342), (4325, 4801886), (5450, 3810671), (8650, 2400943), (18857, 1101350), (22027, 942850), (37714, 550675), (44054, 471425), (94285, 220270), (110135, 188570)]