20189071383

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1201087}}^1$

素因数の和:1201534

約数の個数: 16

約数和(自身を含む): 29056720896

約数和(自身を除く): 8867649513

約数列:

[1, 3, 13, 39, 431, 1293, 5603, 16809, 1201087, 3603261, 15614131, 46842393, 517668497, 1553005491, 6729690461, 20189071383]

約数ペア:

[(1, 20189071383), (3, 6729690461), (13, 1553005491), (39, 517668497), (431, 46842393), (1293, 15614131), (5603, 3603261), (16809, 1201087)]