20451208

素因数分解:

$2^3\times {\mathrm{1579}}^1\times {\mathrm{1619}}^1$

素因数の和:3204

約数の個数: 16

約数和(自身を含む): 38394000

約数和(自身を除く): 17942792

約数列:

[1, 2, 4, 8, 1579, 1619, 3158, 3238, 6316, 6476, 12632, 12952, 2556401, 5112802, 10225604, 20451208]

約数ペア:

[(1, 20451208), (2, 10225604), (4, 5112802), (8, 2556401), (1579, 12952), (1619, 12632), (3158, 6476), (3238, 6316)]