20834678306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1\times {\mathrm{20809}}^1$

素因数の和:21318

約数の個数: 32

約数和(自身を含む): 34090276080

約数和(自身を除く): 13255597774

約数列:

[1, 2, 13, 26, 97, 194, 397, 794, 1261, 2522, 5161, 10322, 20809, 38509, 41618, 77018, 270517, 500617, 541034, 1001234, 2018473, 4036946, 8261173, 16522346, 26240149, 52480298, 107395249, 214790498, 801333781, 1602667562, 10417339153, 20834678306]

約数ペア:

[(1, 20834678306), (2, 10417339153), (13, 1602667562), (26, 801333781), (97, 214790498), (194, 107395249), (397, 52480298), (794, 26240149), (1261, 16522346), (2522, 8261173), (5161, 4036946), (10322, 2018473), (20809, 1001234), (38509, 541034), (41618, 500617), (77018, 270517)]