20800804

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1663}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 16938716

約数列:

[1, 2, 4, 53, 59, 106, 118, 212, 236, 1663, 3127, 3326, 6254, 6652, 12508, 88139, 98117, 176278, 196234, 352556, 392468, 5200201, 10400402, 20800804]

約数ペア:

[(1, 20800804), (2, 10400402), (4, 5200201), (53, 392468), (59, 352556), (106, 196234), (118, 176278), (212, 98117), (236, 88139), (1663, 12508), (3127, 6652), (3326, 6254)]