20499681251

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1356427}}^1$

素因数の和:1356578

約数の個数: 16

約数和(自身を含む): 25001680896

約数和(自身を除く): 4501999645

約数列:

[1, 7, 17, 119, 127, 889, 2159, 15113, 1356427, 9494989, 23059259, 161414813, 172266229, 1205863603, 2928525893, 20499681251]

約数ペア:

[(1, 20499681251), (7, 2928525893), (17, 1205863603), (119, 172266229), (127, 161414813), (889, 23059259), (2159, 9494989), (15113, 1356427)]