20078081728

素因数分解:

$2^6\times {\mathrm{1361}}^1\times {\mathrm{230507}}^1$

素因数の和:231880

約数の個数: 28

約数和(自身を含む): 39871890792

約数和(自身を除く): 19793809064

約数列:

[1, 2, 4, 8, 16, 32, 64, 1361, 2722, 5444, 10888, 21776, 43552, 87104, 230507, 461014, 922028, 1844056, 3688112, 7376224, 14752448, 313720027, 627440054, 1254880108, 2509760216, 5019520432, 10039040864, 20078081728]

約数ペア:

[(1, 20078081728), (2, 10039040864), (4, 5019520432), (8, 2509760216), (16, 1254880108), (32, 627440054), (64, 313720027), (1361, 14752448), (2722, 7376224), (5444, 3688112), (10888, 1844056), (21776, 922028), (43552, 461014), (87104, 230507)]