20355544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1019}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 21505256

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227, 454, 908, 1019, 1816, 2038, 2497, 4076, 4994, 8152, 9988, 11209, 19976, 22418, 44836, 89672, 231313, 462626, 925252, 1850504, 2544443, 5088886, 10177772, 20355544]

約数ペア:

[(1, 20355544), (2, 10177772), (4, 5088886), (8, 2544443), (11, 1850504), (22, 925252), (44, 462626), (88, 231313), (227, 89672), (454, 44836), (908, 22418), (1019, 19976), (1816, 11209), (2038, 9988), (2497, 8152), (4076, 4994)]