20147752681

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 24682734720

約数和(自身を除く): 4534982039

約数列:

[1, 7, 23, 53, 161, 251, 371, 409, 529, 1219, 1757, 2863, 3703, 5773, 8533, 9407, 13303, 21677, 28037, 40411, 65849, 93121, 102659, 132779, 151739, 196259, 216361, 305969, 498571, 718613, 929453, 1514527, 2141783, 2361157, 3489997, 5440927, 7037287, 11467133, 16528099, 38086489, 49261009, 54306611, 80269931, 125141321, 380146277, 875989247, 2878250383, 20147752681]

約数ペア:

[(1, 20147752681), (7, 2878250383), (23, 875989247), (53, 380146277), (161, 125141321), (251, 80269931), (371, 54306611), (409, 49261009), (529, 38086489), (1219, 16528099), (1757, 11467133), (2863, 7037287), (3703, 5440927), (5773, 3489997), (8533, 2361157), (9407, 2141783), (13303, 1514527), (21677, 929453), (28037, 718613), (40411, 498571), (65849, 305969), (93121, 216361), (102659, 196259), (132779, 151739)]