20853857661

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{118799}}^1$

素因数の和:119465

約数の個数: 32

約数和(自身を含む): 34275225600

約数和(自身を除く): 13421367939

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 643, 1929, 4501, 8359, 13503, 25077, 58513, 118799, 175539, 356397, 831593, 1544387, 2494779, 4633161, 10810709, 32432127, 76387757, 229163271, 534714299, 993040841, 1604142897, 2979122523, 6951285887, 20853857661]

約数ペア:

[(1, 20853857661), (3, 6951285887), (7, 2979122523), (13, 1604142897), (21, 993040841), (39, 534714299), (91, 229163271), (273, 76387757), (643, 32432127), (1929, 10810709), (4501, 4633161), (8359, 2494779), (13503, 1544387), (25077, 831593), (58513, 356397), (118799, 175539)]