20774236

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1277}}^1$

素因数の和:1378

約数の個数: 36

約数和(自身を含む): 42833448

約数和(自身を除く): 22059212

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1162, 1277, 2324, 2554, 4067, 5108, 8134, 8939, 16268, 17878, 35756, 62573, 105991, 125146, 211982, 250292, 423964, 741937, 1483874, 2967748, 5193559, 10387118, 20774236]

約数ペア:

[(1, 20774236), (2, 10387118), (4, 5193559), (7, 2967748), (14, 1483874), (28, 741937), (49, 423964), (83, 250292), (98, 211982), (166, 125146), (196, 105991), (332, 62573), (581, 35756), (1162, 17878), (1277, 16268), (2324, 8939), (2554, 8134), (4067, 5108)]