20565944063

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1019}}^1\times {\mathrm{1871}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 24929648640

約数和(自身を除く): 4363704577

約数列:

[1, 7, 23, 67, 161, 469, 1019, 1541, 1871, 7133, 10787, 13097, 23437, 43033, 68273, 125357, 164059, 301231, 477911, 877499, 1570279, 1906549, 2883211, 10991953, 13345843, 20182477, 43850627, 127738783, 306954389, 894171481, 2937992009, 20565944063]

約数ペア:

[(1, 20565944063), (7, 2937992009), (23, 894171481), (67, 306954389), (161, 127738783), (469, 43850627), (1019, 20182477), (1541, 13345843), (1871, 10991953), (7133, 2883211), (10787, 1906549), (13097, 1570279), (23437, 877499), (43033, 477911), (68273, 301231), (125357, 164059)]