20364295

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 9403385

約数列:

[1, 5, 7, 19, 35, 95, 113, 133, 271, 565, 665, 791, 1355, 1897, 2147, 3955, 5149, 9485, 10735, 15029, 25745, 30623, 36043, 75145, 153115, 180215, 214361, 581837, 1071805, 2909185, 4072859, 20364295]

約数ペア:

[(1, 20364295), (5, 4072859), (7, 2909185), (19, 1071805), (35, 581837), (95, 214361), (113, 180215), (133, 153115), (271, 75145), (565, 36043), (665, 30623), (791, 25745), (1355, 15029), (1897, 10735), (2147, 9485), (3955, 5149)]