20746616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{547}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 21865864

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 431, 547, 862, 1094, 1724, 2188, 3448, 4376, 4741, 6017, 9482, 12034, 18964, 24068, 37928, 48136, 235757, 471514, 943028, 1886056, 2593327, 5186654, 10373308, 20746616]

約数ペア:

[(1, 20746616), (2, 10373308), (4, 5186654), (8, 2593327), (11, 1886056), (22, 943028), (44, 471514), (88, 235757), (431, 48136), (547, 37928), (862, 24068), (1094, 18964), (1724, 12034), (2188, 9482), (3448, 6017), (4376, 4741)]