20938224

素因数分解:

$2^4\times 3^1\times {\mathrm{509}}^1\times {\mathrm{857}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 54259920

約数和(自身を除く): 33321696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 509, 857, 1018, 1527, 1714, 2036, 2571, 3054, 3428, 4072, 5142, 6108, 6856, 8144, 10284, 12216, 13712, 20568, 24432, 41136, 436213, 872426, 1308639, 1744852, 2617278, 3489704, 5234556, 6979408, 10469112, 20938224]

約数ペア:

[(1, 20938224), (2, 10469112), (3, 6979408), (4, 5234556), (6, 3489704), (8, 2617278), (12, 1744852), (16, 1308639), (24, 872426), (48, 436213), (509, 41136), (857, 24432), (1018, 20568), (1527, 13712), (1714, 12216), (2036, 10284), (2571, 8144), (3054, 6856), (3428, 6108), (4072, 5142)]