20401845

素因数分解:

$3^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1493}}^1$

素因数の和:2412

約数の個数: 16

約数和(自身を含む): 32700672

約数和(自身を除く): 12298827

約数列:

[1, 3, 5, 15, 911, 1493, 2733, 4479, 4555, 7465, 13665, 22395, 1360123, 4080369, 6800615, 20401845]

約数ペア:

[(1, 20401845), (3, 6800615), (5, 4080369), (15, 1360123), (911, 22395), (1493, 13665), (2733, 7465), (4479, 4555)]