20814672385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{4951}}^1\times {\mathrm{64679}}^1$

素因数の和:69648

約数の個数: 16

約数和(自身を含む): 26904810240

約数和(自身を除く): 6090137855

約数列:

[1, 5, 13, 65, 4951, 24755, 64363, 64679, 321815, 323395, 840827, 4204135, 320225729, 1601128645, 4162934477, 20814672385]

約数ペア:

[(1, 20814672385), (5, 4162934477), (13, 1601128645), (65, 320225729), (4951, 4204135), (24755, 840827), (64363, 323395), (64679, 321815)]