20207055

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 17532465

約数列:

[1, 3, 5, 11, 15, 29, 33, 41, 55, 87, 103, 123, 145, 165, 205, 309, 319, 435, 451, 515, 615, 957, 1133, 1189, 1353, 1545, 1595, 2255, 2987, 3399, 3567, 4223, 4785, 5665, 5945, 6765, 8961, 12669, 13079, 14935, 16995, 17835, 21115, 32857, 39237, 44805, 46453, 63345, 65395, 98571, 122467, 139359, 164285, 196185, 232265, 367401, 492855, 612335, 696795, 1347137, 1837005, 4041411, 6735685, 20207055]

約数ペア:

[(1, 20207055), (3, 6735685), (5, 4041411), (11, 1837005), (15, 1347137), (29, 696795), (33, 612335), (41, 492855), (55, 367401), (87, 232265), (103, 196185), (123, 164285), (145, 139359), (165, 122467), (205, 98571), (309, 65395), (319, 63345), (435, 46453), (451, 44805), (515, 39237), (615, 32857), (957, 21115), (1133, 17835), (1189, 16995), (1353, 14935), (1545, 13079), (1595, 12669), (2255, 8961), (2987, 6765), (3399, 5945), (3567, 5665), (4223, 4785)]