20668840695

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1921789}}^1$

素因数の和:1922039

約数の個数: 24

約数和(自身を含む): 35975908800

約数和(自身を除く): 15307068105

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 2151, 3585, 10755, 1921789, 5765367, 9608945, 17296101, 28826835, 86480505, 459307571, 1377922713, 2296537855, 4133768139, 6889613565, 20668840695]

約数ペア:

[(1, 20668840695), (3, 6889613565), (5, 4133768139), (9, 2296537855), (15, 1377922713), (45, 459307571), (239, 86480505), (717, 28826835), (1195, 17296101), (2151, 9608945), (3585, 5765367), (10755, 1921789)]