20199451713

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{972577}}^1$

素因数の和:972653

約数の個数: 32

約数和(自身を含む): 32865355776

約数和(自身を除く): 12665904063

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 161, 301, 483, 903, 989, 2967, 6923, 20769, 972577, 2917731, 6808039, 20424117, 22369271, 41820811, 67107813, 125462433, 156584897, 292745677, 469754691, 878237031, 961878653, 2885635959, 6733150571, 20199451713]

約数ペア:

[(1, 20199451713), (3, 6733150571), (7, 2885635959), (21, 961878653), (23, 878237031), (43, 469754691), (69, 292745677), (129, 156584897), (161, 125462433), (301, 67107813), (483, 41820811), (903, 22369271), (989, 20424117), (2967, 6808039), (6923, 2917731), (20769, 972577)]