20385310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3943}}^1$

素因数の和:4008

約数の個数: 32

約数和(自身を含む): 40891392

約数和(自身を除く): 20506082

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 3943, 5170, 7886, 19715, 39430, 43373, 86746, 185321, 216865, 370642, 433730, 926605, 1853210, 2038531, 4077062, 10192655, 20385310]

約数ペア:

[(1, 20385310), (2, 10192655), (5, 4077062), (10, 2038531), (11, 1853210), (22, 926605), (47, 433730), (55, 370642), (94, 216865), (110, 185321), (235, 86746), (470, 43373), (517, 39430), (1034, 19715), (2585, 7886), (3943, 5170)]