20028346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 34645968

約数和(自身を除く): 14617622

約数列:

[1, 2, 13, 17, 26, 34, 113, 221, 226, 401, 442, 802, 1469, 1921, 2938, 3842, 5213, 6817, 10426, 13634, 24973, 45313, 49946, 88621, 90626, 177242, 589069, 770321, 1178138, 1540642, 10014173, 20028346]

約数ペア:

[(1, 20028346), (2, 10014173), (13, 1540642), (17, 1178138), (26, 770321), (34, 589069), (113, 177242), (221, 90626), (226, 88621), (401, 49946), (442, 45313), (802, 24973), (1469, 13634), (1921, 10426), (2938, 6817), (3842, 5213)]