20503964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20753}}^1$

素因数の和:20789

約数の個数: 24

約数和(自身を含む): 40677840

約数和(自身を除く): 20173876

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20753, 41506, 83012, 269789, 394307, 539578, 788614, 1079156, 1577228, 5125991, 10251982, 20503964]

約数ペア:

[(1, 20503964), (2, 10251982), (4, 5125991), (13, 1577228), (19, 1079156), (26, 788614), (38, 539578), (52, 394307), (76, 269789), (247, 83012), (494, 41506), (988, 20753)]