20178559768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{7451}}^1\times {\mathrm{19913}}^1$

素因数の和:27387

約数の個数: 32

約数和(自身を含む): 40067764560

約数和(自身を除く): 19889204792

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 7451, 14902, 19913, 29804, 39826, 59608, 79652, 126667, 159304, 253334, 338521, 506668, 677042, 1013336, 1354084, 2708168, 148371763, 296743526, 593487052, 1186974104, 2522319971, 5044639942, 10089279884, 20178559768]

約数ペア:

[(1, 20178559768), (2, 10089279884), (4, 5044639942), (8, 2522319971), (17, 1186974104), (34, 593487052), (68, 296743526), (136, 148371763), (7451, 2708168), (14902, 1354084), (19913, 1013336), (29804, 677042), (39826, 506668), (59608, 338521), (79652, 253334), (126667, 159304)]