20178580040

素因数分解:

$2^3\times 5^1\times {\mathrm{2269}}^1\times {\mathrm{222329}}^1$

素因数の和:224609

約数の個数: 32

約数和(自身を含む): 45422019000

約数和(自身を除く): 25243438960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2269, 4538, 9076, 11345, 18152, 22690, 45380, 90760, 222329, 444658, 889316, 1111645, 1778632, 2223290, 4446580, 8893160, 504464501, 1008929002, 2017858004, 2522322505, 4035716008, 5044645010, 10089290020, 20178580040]

約数ペア:

[(1, 20178580040), (2, 10089290020), (4, 5044645010), (5, 4035716008), (8, 2522322505), (10, 2017858004), (20, 1008929002), (40, 504464501), (2269, 8893160), (4538, 4446580), (9076, 2223290), (11345, 1778632), (18152, 1111645), (22690, 889316), (45380, 444658), (90760, 222329)]