20778510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1607}}^1$

素因数の和:2048

約数の個数: 32

約数和(自身を含む): 50015232

約数和(自身を除く): 29236722

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1607, 2155, 2586, 3214, 4310, 4821, 6465, 8035, 9642, 12930, 16070, 24105, 48210, 692617, 1385234, 2077851, 3463085, 4155702, 6926170, 10389255, 20778510]

約数ペア:

[(1, 20778510), (2, 10389255), (3, 6926170), (5, 4155702), (6, 3463085), (10, 2077851), (15, 1385234), (30, 692617), (431, 48210), (862, 24105), (1293, 16070), (1607, 12930), (2155, 9642), (2586, 8035), (3214, 6465), (4310, 4821)]