20532040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13873}}^1$

素因数の和:13921

約数の個数: 32

約数和(自身を含む): 47449080

約数和(自身を除く): 26917040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13873, 27746, 55492, 69365, 110984, 138730, 277460, 513301, 554920, 1026602, 2053204, 2566505, 4106408, 5133010, 10266020, 20532040]

約数ペア:

[(1, 20532040), (2, 10266020), (4, 5133010), (5, 4106408), (8, 2566505), (10, 2053204), (20, 1026602), (37, 554920), (40, 513301), (74, 277460), (148, 138730), (185, 110984), (296, 69365), (370, 55492), (740, 27746), (1480, 13873)]