220157795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{839}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 311592960

約数和(自身を除く): 91435165

約数列:

[1, 5, 11, 13, 55, 65, 143, 367, 715, 839, 1835, 4037, 4195, 4771, 9229, 10907, 20185, 23855, 46145, 52481, 54535, 119977, 262405, 307913, 599885, 1539565, 3387043, 4002869, 16935215, 20014345, 44031559, 220157795]

約数ペア:

[(1, 220157795), (5, 44031559), (11, 20014345), (13, 16935215), (55, 4002869), (65, 3387043), (143, 1539565), (367, 599885), (715, 307913), (839, 262405), (1835, 119977), (4037, 54535), (4195, 52481), (4771, 46145), (9229, 23855), (10907, 20185)]