20630176

素因数分解:

$2^5\times 7^2\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 27632864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 59, 98, 112, 118, 196, 223, 224, 236, 392, 413, 446, 472, 784, 826, 892, 944, 1561, 1568, 1652, 1784, 1888, 2891, 3122, 3304, 3568, 5782, 6244, 6608, 7136, 10927, 11564, 12488, 13157, 13216, 21854, 23128, 24976, 26314, 43708, 46256, 49952, 52628, 87416, 92099, 92512, 105256, 174832, 184198, 210512, 349664, 368396, 421024, 644693, 736792, 1289386, 1473584, 2578772, 2947168, 5157544, 10315088, 20630176]

約数ペア:

[(1, 20630176), (2, 10315088), (4, 5157544), (7, 2947168), (8, 2578772), (14, 1473584), (16, 1289386), (28, 736792), (32, 644693), (49, 421024), (56, 368396), (59, 349664), (98, 210512), (112, 184198), (118, 174832), (196, 105256), (223, 92512), (224, 92099), (236, 87416), (392, 52628), (413, 49952), (446, 46256), (472, 43708), (784, 26314), (826, 24976), (892, 23128), (944, 21854), (1561, 13216), (1568, 13157), (1652, 12488), (1784, 11564), (1888, 10927), (2891, 7136), (3122, 6608), (3304, 6244), (3568, 5782)]