20120826

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27157254

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 79, 102, 158, 187, 227, 237, 374, 454, 474, 561, 681, 869, 1122, 1343, 1362, 1738, 2497, 2607, 2686, 3859, 4029, 4994, 5214, 7491, 7718, 8058, 11577, 14773, 14982, 17933, 23154, 29546, 35866, 42449, 44319, 53799, 84898, 88638, 107598, 127347, 197263, 254694, 304861, 394526, 591789, 609722, 914583, 1183578, 1829166, 3353471, 6706942, 10060413, 20120826]

約数ペア:

[(1, 20120826), (2, 10060413), (3, 6706942), (6, 3353471), (11, 1829166), (17, 1183578), (22, 914583), (33, 609722), (34, 591789), (51, 394526), (66, 304861), (79, 254694), (102, 197263), (158, 127347), (187, 107598), (227, 88638), (237, 84898), (374, 53799), (454, 44319), (474, 42449), (561, 35866), (681, 29546), (869, 23154), (1122, 17933), (1343, 14982), (1362, 14773), (1738, 11577), (2497, 8058), (2607, 7718), (2686, 7491), (3859, 5214), (4029, 4994)]