20467575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5351}}^1$

素因数の和:5384

約数の個数: 36

約数和(自身を含む): 38823408

約数和(自身を除く): 18355833

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5351, 16053, 26755, 48159, 80265, 90967, 133775, 240795, 272901, 401325, 454835, 818703, 1203975, 1364505, 2274175, 4093515, 6822525, 20467575]

約数ペア:

[(1, 20467575), (3, 6822525), (5, 4093515), (9, 2274175), (15, 1364505), (17, 1203975), (25, 818703), (45, 454835), (51, 401325), (75, 272901), (85, 240795), (153, 133775), (225, 90967), (255, 80265), (425, 48159), (765, 26755), (1275, 16053), (3825, 5351)]