20156164970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{291569}}^1$

素因数の和:291830

約数の個数: 32

約数和(自身を含む): 37619527680

約数和(自身を除く): 17463362710

約数列:

[1, 2, 5, 10, 31, 62, 155, 223, 310, 446, 1115, 2230, 6913, 13826, 34565, 69130, 291569, 583138, 1457845, 2915690, 9038639, 18077278, 45193195, 65019887, 90386390, 130039774, 325099435, 650198870, 2015616497, 4031232994, 10078082485, 20156164970]

約数ペア:

[(1, 20156164970), (2, 10078082485), (5, 4031232994), (10, 2015616497), (31, 650198870), (62, 325099435), (155, 130039774), (223, 90386390), (310, 65019887), (446, 45193195), (1115, 18077278), (2230, 9038639), (6913, 2915690), (13826, 1457845), (34565, 583138), (69130, 291569)]