20734362

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 53239680

約数和(自身を除く): 32505318

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 29, 33, 46, 58, 66, 69, 87, 99, 138, 157, 174, 198, 207, 253, 261, 314, 319, 414, 471, 506, 522, 638, 667, 759, 942, 957, 1334, 1413, 1518, 1727, 1914, 2001, 2277, 2826, 2871, 3454, 3611, 4002, 4553, 4554, 5181, 5742, 6003, 7222, 7337, 9106, 10362, 10833, 12006, 13659, 14674, 15543, 21666, 22011, 27318, 31086, 32499, 39721, 40977, 44022, 50083, 64998, 66033, 79442, 81954, 100166, 104719, 119163, 132066, 150249, 209438, 238326, 300498, 314157, 357489, 450747, 628314, 714978, 901494, 942471, 1151909, 1884942, 2303818, 3455727, 6911454, 10367181, 20734362]

約数ペア:

[(1, 20734362), (2, 10367181), (3, 6911454), (6, 3455727), (9, 2303818), (11, 1884942), (18, 1151909), (22, 942471), (23, 901494), (29, 714978), (33, 628314), (46, 450747), (58, 357489), (66, 314157), (69, 300498), (87, 238326), (99, 209438), (138, 150249), (157, 132066), (174, 119163), (198, 104719), (207, 100166), (253, 81954), (261, 79442), (314, 66033), (319, 64998), (414, 50083), (471, 44022), (506, 40977), (522, 39721), (638, 32499), (667, 31086), (759, 27318), (942, 22011), (957, 21666), (1334, 15543), (1413, 14674), (1518, 13659), (1727, 12006), (1914, 10833), (2001, 10362), (2277, 9106), (2826, 7337), (2871, 7222), (3454, 6003), (3611, 5742), (4002, 5181), (4553, 4554)]