20512756494

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{1217}}^1$

素因数の和:1623

約数の個数: 128

約数和(自身を含む): 48913320960

約数和(自身を除く): 28400564466

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 82, 123, 138, 207, 246, 331, 369, 414, 621, 662, 738, 943, 993, 1107, 1217, 1242, 1886, 1986, 2214, 2434, 2829, 2979, 3651, 5658, 5958, 7302, 7613, 8487, 8937, 10953, 13571, 15226, 16974, 17874, 21906, 22839, 25461, 27142, 27991, 32859, 40713, 45678, 49897, 50922, 55982, 65718, 68517, 81426, 83973, 99794, 122139, 137034, 149691, 167946, 205551, 244278, 251919, 299382, 312133, 366417, 402827, 411102, 449073, 503838, 624266, 732834, 755757, 805654, 898146, 936399, 1147631, 1208481, 1347219, 1511514, 1872798, 2295262, 2416962, 2694438, 2809197, 3442893, 3625443, 5618394, 6885786, 7250886, 8427591, 9265021, 10328679, 10876329, 16515907, 16855182, 18530042, 20657358, 21752658, 27795063, 30986037, 33031814, 49547721, 55590126, 61972074, 83385189, 99095442, 148643163, 166770378, 250155567, 297286326, 379865861, 445929489, 500311134, 759731722, 891858978, 1139597583, 2279195166, 3418792749, 6837585498, 10256378247, 20512756494]

約数ペア:

[(1, 20512756494), (2, 10256378247), (3, 6837585498), (6, 3418792749), (9, 2279195166), (18, 1139597583), (23, 891858978), (27, 759731722), (41, 500311134), (46, 445929489), (54, 379865861), (69, 297286326), (82, 250155567), (123, 166770378), (138, 148643163), (207, 99095442), (246, 83385189), (331, 61972074), (369, 55590126), (414, 49547721), (621, 33031814), (662, 30986037), (738, 27795063), (943, 21752658), (993, 20657358), (1107, 18530042), (1217, 16855182), (1242, 16515907), (1886, 10876329), (1986, 10328679), (2214, 9265021), (2434, 8427591), (2829, 7250886), (2979, 6885786), (3651, 5618394), (5658, 3625443), (5958, 3442893), (7302, 2809197), (7613, 2694438), (8487, 2416962), (8937, 2295262), (10953, 1872798), (13571, 1511514), (15226, 1347219), (16974, 1208481), (17874, 1147631), (21906, 936399), (22839, 898146), (25461, 805654), (27142, 755757), (27991, 732834), (32859, 624266), (40713, 503838), (45678, 449073), (49897, 411102), (50922, 402827), (55982, 366417), (65718, 312133), (68517, 299382), (81426, 251919), (83973, 244278), (99794, 205551), (122139, 167946), (137034, 149691)]