20660504

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 40091520

約数和(自身を除く): 19431016

約数列:

[1, 2, 4, 8, 37, 74, 148, 223, 296, 313, 446, 626, 892, 1252, 1784, 2504, 8251, 11581, 16502, 23162, 33004, 46324, 66008, 69799, 92648, 139598, 279196, 558392, 2582563, 5165126, 10330252, 20660504]

約数ペア:

[(1, 20660504), (2, 10330252), (4, 5165126), (8, 2582563), (37, 558392), (74, 279196), (148, 139598), (223, 92648), (296, 69799), (313, 66008), (446, 46324), (626, 33004), (892, 23162), (1252, 16502), (1784, 11581), (2504, 8251)]