20104990975

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{9035951}}^1$

素因数の和:9036050

約数の個数: 12

約数和(自身を含む): 25210306080

約数和(自身を除く): 5105315105

約数列:

[1, 5, 25, 89, 445, 2225, 9035951, 45179755, 225898775, 804199639, 4020998195, 20104990975]

約数ペア:

[(1, 20104990975), (5, 4020998195), (25, 804199639), (89, 225898775), (445, 45179755), (2225, 9035951)]