20897194668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248776127}}^1$

素因数の和:248776141

約数の個数: 24

約数和(自身を含む): 55725852672

約数和(自身を除く): 34828658004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248776127, 497552254, 746328381, 995104508, 1492656762, 1741432889, 2985313524, 3482865778, 5224298667, 6965731556, 10448597334, 20897194668]

約数ペア:

[(1, 20897194668), (2, 10448597334), (3, 6965731556), (4, 5224298667), (6, 3482865778), (7, 2985313524), (12, 1741432889), (14, 1492656762), (21, 995104508), (28, 746328381), (42, 497552254), (84, 248776127)]