20090430865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1\times {\mathrm{1483}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 25274253312

約数和(自身を除く): 5183822447

約数列:

[1, 5, 31, 71, 155, 355, 1231, 1483, 2201, 6155, 7415, 11005, 38161, 45973, 87401, 105293, 190805, 229865, 437005, 526465, 1825573, 2709431, 3264083, 9127865, 13547155, 16320415, 56592763, 129615683, 282963815, 648078415, 4018086173, 20090430865]

約数ペア:

[(1, 20090430865), (5, 4018086173), (31, 648078415), (71, 282963815), (155, 129615683), (355, 56592763), (1231, 16320415), (1483, 13547155), (2201, 9127865), (6155, 3264083), (7415, 2709431), (11005, 1825573), (38161, 526465), (45973, 437005), (87401, 229865), (105293, 190805)]