20289569045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1012201}}^1$

素因数の和:1012436

約数の個数: 16

約数和(自身を含む): 25750418880

約数和(自身を除く): 5460849835

約数列:

[1, 5, 19, 95, 211, 1055, 4009, 20045, 1012201, 5061005, 19231819, 96159095, 213574411, 1067872055, 4057913809, 20289569045]

約数ペア:

[(1, 20289569045), (5, 4057913809), (19, 1067872055), (95, 213574411), (211, 96159095), (1055, 19231819), (4009, 5061005), (20045, 1012201)]