20589969309

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{18701}}^1$

素因数の和:18870

約数の個数: 64

約数和(自身を含む): 35022113280

約数和(自身を除く): 14432143971

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 109, 111, 259, 273, 327, 481, 763, 777, 1417, 1443, 2289, 3367, 4033, 4251, 9919, 10101, 12099, 18701, 28231, 29757, 52429, 56103, 84693, 130907, 157287, 243113, 367003, 392721, 691937, 729339, 1101009, 1701791, 2038409, 2075811, 4843559, 5105373, 6115227, 8995181, 14268863, 14530677, 26499317, 26985543, 42806589, 62966267, 75421133, 79497951, 185495219, 188898801, 226263399, 527947931, 556485657, 980474729, 1583843793, 2941424187, 6863323103, 20589969309]

約数ペア:

[(1, 20589969309), (3, 6863323103), (7, 2941424187), (13, 1583843793), (21, 980474729), (37, 556485657), (39, 527947931), (91, 226263399), (109, 188898801), (111, 185495219), (259, 79497951), (273, 75421133), (327, 62966267), (481, 42806589), (763, 26985543), (777, 26499317), (1417, 14530677), (1443, 14268863), (2289, 8995181), (3367, 6115227), (4033, 5105373), (4251, 4843559), (9919, 2075811), (10101, 2038409), (12099, 1701791), (18701, 1101009), (28231, 729339), (29757, 691937), (52429, 392721), (56103, 367003), (84693, 243113), (130907, 157287)]