20261728

素因数分解:

$2^5\times {\mathrm{401}}^1\times {\mathrm{1579}}^1$

素因数の和:1990

約数の個数: 24

約数和(自身を含む): 40015080

約数和(自身を除く): 19753352

約数列:

[1, 2, 4, 8, 16, 32, 401, 802, 1579, 1604, 3158, 3208, 6316, 6416, 12632, 12832, 25264, 50528, 633179, 1266358, 2532716, 5065432, 10130864, 20261728]

約数ペア:

[(1, 20261728), (2, 10130864), (4, 5065432), (8, 2532716), (16, 1266358), (32, 633179), (401, 50528), (802, 25264), (1579, 12832), (1604, 12632), (3158, 6416), (3208, 6316)]