20136945

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 13248015

約数列:

[1, 3, 5, 15, 41, 123, 137, 205, 239, 411, 615, 685, 717, 1195, 2055, 3585, 5617, 9799, 16851, 28085, 29397, 32743, 48995, 84255, 98229, 146985, 163715, 491145, 1342463, 4027389, 6712315, 20136945]

約数ペア:

[(1, 20136945), (3, 6712315), (5, 4027389), (15, 1342463), (41, 491145), (123, 163715), (137, 146985), (205, 98229), (239, 84255), (411, 48995), (615, 32743), (685, 29397), (717, 28085), (1195, 16851), (2055, 9799), (3585, 5617)]