20897165361

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{282253}}^1$

素因数の和:282345

約数の個数: 32

約数和(自身を含む): 30889877760

約数和(自身を除く): 9992712399

約数列:

[1, 3, 23, 29, 37, 69, 87, 111, 667, 851, 1073, 2001, 2553, 3219, 24679, 74037, 282253, 846759, 6491819, 8185337, 10443361, 19475457, 24556011, 31330083, 188262751, 240197303, 302857469, 564788253, 720591909, 908572407, 6965721787, 20897165361]

約数ペア:

[(1, 20897165361), (3, 6965721787), (23, 908572407), (29, 720591909), (37, 564788253), (69, 302857469), (87, 240197303), (111, 188262751), (667, 31330083), (851, 24556011), (1073, 19475457), (2001, 10443361), (2553, 8185337), (3219, 6491819), (24679, 846759), (74037, 282253)]