20724019199

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 24150063168

約数和(自身を除く): 3426043969

約数列:

[1, 13, 23, 37, 197, 257, 299, 481, 851, 1369, 2561, 3341, 4531, 5911, 7289, 9509, 11063, 17797, 31487, 50629, 58903, 76843, 94757, 123617, 167647, 218707, 269693, 351833, 409331, 658177, 1164467, 1873273, 2179411, 2843191, 3506009, 4573829, 6202939, 8092159, 15138071, 24352549, 43085279, 69311101, 80638207, 105198067, 560108627, 901044313, 1594155323, 20724019199]

約数ペア:

[(1, 20724019199), (13, 1594155323), (23, 901044313), (37, 560108627), (197, 105198067), (257, 80638207), (299, 69311101), (481, 43085279), (851, 24352549), (1369, 15138071), (2561, 8092159), (3341, 6202939), (4531, 4573829), (5911, 3506009), (7289, 2843191), (9509, 2179411), (11063, 1873273), (17797, 1164467), (31487, 658177), (50629, 409331), (58903, 351833), (76843, 269693), (94757, 218707), (123617, 167647)]