20392053

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 31491072

約数和(自身を除く): 11099019

約数列:

[1, 3, 11, 23, 33, 67, 69, 201, 253, 401, 737, 759, 1203, 1541, 2211, 4411, 4623, 9223, 13233, 16951, 26867, 27669, 50853, 80601, 101453, 295537, 304359, 617941, 886611, 1853823, 6797351, 20392053]

約数ペア:

[(1, 20392053), (3, 6797351), (11, 1853823), (23, 886611), (33, 617941), (67, 304359), (69, 295537), (201, 101453), (253, 80601), (401, 50853), (737, 27669), (759, 26867), (1203, 16951), (1541, 13233), (2211, 9223), (4411, 4623)]