20573480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13901}}^1$

素因数の和:13949

約数の個数: 32

約数和(自身を含む): 47544840

約数和(自身を除く): 26971360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13901, 27802, 55604, 69505, 111208, 139010, 278020, 514337, 556040, 1028674, 2057348, 2571685, 4114696, 5143370, 10286740, 20573480]

約数ペア:

[(1, 20573480), (2, 10286740), (4, 5143370), (5, 4114696), (8, 2571685), (10, 2057348), (20, 1028674), (37, 556040), (40, 514337), (74, 278020), (148, 139010), (185, 111208), (296, 69505), (370, 55604), (740, 27802), (1480, 13901)]