20348021869

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{55997}}^1$

素因数の和:56125

約数の個数: 32

約数和(自身を含む): 25330807296

約数和(自身を除く): 4982785427

約数列:

[1, 7, 23, 37, 61, 161, 259, 427, 851, 1403, 2257, 5957, 9821, 15799, 51911, 55997, 363377, 391979, 1287931, 2071889, 3415817, 9015517, 14503223, 23910719, 47653447, 78563791, 126385229, 333574129, 549946537, 884696603, 2906860267, 20348021869]

約数ペア:

[(1, 20348021869), (7, 2906860267), (23, 884696603), (37, 549946537), (61, 333574129), (161, 126385229), (259, 78563791), (427, 47653447), (851, 23910719), (1403, 14503223), (2257, 9015517), (5957, 3415817), (9821, 2071889), (15799, 1287931), (51911, 391979), (55997, 363377)]