20805784617

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1\times {\mathrm{110771}}^1$

素因数の和:111368

約数の個数: 16

約数和(自身を含む): 28004933952

約数和(自身を除く): 7199149335

約数列:

[1, 3, 137, 411, 457, 1371, 62609, 110771, 187827, 332313, 15175627, 45526881, 50622347, 151867041, 6935261539, 20805784617]

約数ペア:

[(1, 20805784617), (3, 6935261539), (137, 151867041), (411, 50622347), (457, 45526881), (1371, 15175627), (62609, 332313), (110771, 187827)]