20913112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3547}}^1$

素因数の和:3631

約数の個数: 32

約数和(自身を含む): 43427520

約数和(自身を除く): 22514408

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3547, 5896, 7094, 14188, 28376, 39017, 78034, 156068, 237649, 312136, 475298, 950596, 1901192, 2614139, 5228278, 10456556, 20913112]

約数ペア:

[(1, 20913112), (2, 10456556), (4, 5228278), (8, 2614139), (11, 1901192), (22, 950596), (44, 475298), (67, 312136), (88, 237649), (134, 156068), (268, 78034), (536, 39017), (737, 28376), (1474, 14188), (2948, 7094), (3547, 5896)]