20992816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100927}}^1$

素因数の和:100948

約数の個数: 20

約数和(自身を含む): 43802752

約数和(自身を除く): 22809936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100927, 201854, 403708, 807416, 1312051, 1614832, 2624102, 5248204, 10496408, 20992816]

約数ペア:

[(1, 20992816), (2, 10496408), (4, 5248204), (8, 2624102), (13, 1614832), (16, 1312051), (26, 807416), (52, 403708), (104, 201854), (208, 100927)]