20245175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 26489376

約数和(自身を除く): 6244201

約数列:

[1, 5, 23, 25, 115, 137, 257, 575, 685, 1285, 3151, 3425, 5911, 6425, 15755, 29555, 35209, 78775, 147775, 176045, 809807, 880225, 4049035, 20245175]

約数ペア:

[(1, 20245175), (5, 4049035), (23, 880225), (25, 809807), (115, 176045), (137, 147775), (257, 78775), (575, 35209), (685, 29555), (1285, 15755), (3151, 6425), (3425, 5911)]