202011980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{73727}}^1$

素因数の和:73873

約数の個数: 24

約数和(自身を含む): 427327488

約数和(自身を除く): 225315508

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 73727, 147454, 294908, 368635, 737270, 1474540, 10100599, 20201198, 40402396, 50502995, 101005990, 202011980]

約数ペア:

[(1, 202011980), (2, 101005990), (4, 50502995), (5, 40402396), (10, 20201198), (20, 10100599), (137, 1474540), (274, 737270), (548, 368635), (685, 294908), (1370, 147454), (2740, 73727)]