20048730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51407}}^1$

素因数の和:51430

約数の個数: 32

約数和(自身を含む): 51819264

約数和(自身を除く): 31770534

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51407, 102814, 154221, 257035, 308442, 514070, 668291, 771105, 1336582, 1542210, 2004873, 3341455, 4009746, 6682910, 10024365, 20048730]

約数ペア:

[(1, 20048730), (2, 10024365), (3, 6682910), (5, 4009746), (6, 3341455), (10, 2004873), (13, 1542210), (15, 1336582), (26, 771105), (30, 668291), (39, 514070), (65, 308442), (78, 257035), (130, 154221), (195, 102814), (390, 51407)]