20452920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170441}}^1$

素因数の和:170455

約数の個数: 32

約数和(自身を含む): 61359120

約数和(自身を除く): 40906200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170441, 340882, 511323, 681764, 852205, 1022646, 1363528, 1704410, 2045292, 2556615, 3408820, 4090584, 5113230, 6817640, 10226460, 20452920]

約数ペア:

[(1, 20452920), (2, 10226460), (3, 6817640), (4, 5113230), (5, 4090584), (6, 3408820), (8, 2556615), (10, 2045292), (12, 1704410), (15, 1363528), (20, 1022646), (24, 852205), (30, 681764), (40, 511323), (60, 340882), (120, 170441)]