20619405

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2399}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 35942400

約数和(自身を除く): 15322995

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2399, 2865, 7197, 8595, 11995, 21591, 35985, 107955, 458209, 1374627, 2291045, 4123881, 6873135, 20619405]

約数ペア:

[(1, 20619405), (3, 6873135), (5, 4123881), (9, 2291045), (15, 1374627), (45, 458209), (191, 107955), (573, 35985), (955, 21591), (1719, 11995), (2399, 8595), (2865, 7197)]