20238020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1373}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 47089728

約数和(自身を除く): 26851708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1373, 1474, 2746, 2948, 3685, 5492, 6865, 7370, 13730, 14740, 15103, 27460, 30206, 60412, 75515, 91991, 151030, 183982, 302060, 367964, 459955, 919910, 1011901, 1839820, 2023802, 4047604, 5059505, 10119010, 20238020]

約数ペア:

[(1, 20238020), (2, 10119010), (4, 5059505), (5, 4047604), (10, 2023802), (11, 1839820), (20, 1011901), (22, 919910), (44, 459955), (55, 367964), (67, 302060), (110, 183982), (134, 151030), (220, 91991), (268, 75515), (335, 60412), (670, 30206), (737, 27460), (1340, 15103), (1373, 14740), (1474, 13730), (2746, 7370), (2948, 6865), (3685, 5492)]