20686182

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 47672064

約数和(自身を除く): 26985882

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 43, 66, 74, 86, 111, 129, 197, 222, 258, 394, 407, 473, 591, 814, 946, 1182, 1221, 1419, 1591, 2167, 2442, 2838, 3182, 4334, 4773, 6501, 7289, 8471, 9546, 13002, 14578, 16942, 17501, 21867, 25413, 35002, 43734, 50826, 52503, 80179, 93181, 105006, 160358, 186362, 240537, 279543, 313427, 481074, 559086, 626854, 940281, 1880562, 3447697, 6895394, 10343091, 20686182]

約数ペア:

[(1, 20686182), (2, 10343091), (3, 6895394), (6, 3447697), (11, 1880562), (22, 940281), (33, 626854), (37, 559086), (43, 481074), (66, 313427), (74, 279543), (86, 240537), (111, 186362), (129, 160358), (197, 105006), (222, 93181), (258, 80179), (394, 52503), (407, 50826), (473, 43734), (591, 35002), (814, 25413), (946, 21867), (1182, 17501), (1221, 16942), (1419, 14578), (1591, 13002), (2167, 9546), (2442, 8471), (2838, 7289), (3182, 6501), (4334, 4773)]