20197546136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{308303}}^1$

素因数の和:308759

約数の個数: 32

約数和(自身を含む): 39956198400

約数和(自身を除く): 19758652264

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 431, 862, 1724, 3448, 8189, 16378, 32756, 65512, 308303, 616606, 1233212, 2466424, 5857757, 11715514, 23431028, 46862056, 132878593, 265757186, 531514372, 1063028744, 2524693267, 5049386534, 10098773068, 20197546136]

約数ペア:

[(1, 20197546136), (2, 10098773068), (4, 5049386534), (8, 2524693267), (19, 1063028744), (38, 531514372), (76, 265757186), (152, 132878593), (431, 46862056), (862, 23431028), (1724, 11715514), (3448, 5857757), (8189, 2466424), (16378, 1233212), (32756, 616606), (65512, 308303)]