20031937648

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18686509}}^1$

素因数の和:18686584

約数の個数: 20

約数和(自身を含む): 39391163080

約数和(自身を除く): 19359225432

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18686509, 37373018, 74746036, 149492072, 298984144, 1251996103, 2503992206, 5007984412, 10015968824, 20031937648]

約数ペア:

[(1, 20031937648), (2, 10015968824), (4, 5007984412), (8, 2503992206), (16, 1251996103), (67, 298984144), (134, 149492072), (268, 74746036), (536, 37373018), (1072, 18686509)]