20809575

素因数分解:

$3^3\times 5^2\times {\mathrm{30829}}^1$

素因数の和:30848

約数の個数: 24

約数和(自身を含む): 38229200

約数和(自身を除く): 17419625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30829, 92487, 154145, 277461, 462435, 770725, 832383, 1387305, 2312175, 4161915, 6936525, 20809575]

約数ペア:

[(1, 20809575), (3, 6936525), (5, 4161915), (9, 2312175), (15, 1387305), (25, 832383), (27, 770725), (45, 462435), (75, 277461), (135, 154145), (225, 92487), (675, 30829)]