20246975

素因数分解:

$5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{911}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 28950528

約数和(自身を除く): 8703553

約数列:

[1, 5, 7, 25, 35, 127, 175, 635, 889, 911, 3175, 4445, 4555, 6377, 22225, 22775, 31885, 115697, 159425, 578485, 809879, 2892425, 4049395, 20246975]

約数ペア:

[(1, 20246975), (5, 4049395), (7, 2892425), (25, 809879), (35, 578485), (127, 159425), (175, 115697), (635, 31885), (889, 22775), (911, 22225), (3175, 6377), (4445, 4555)]