20167945904

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{3163}}^1$

素因数の和:3418

約数の個数: 80

約数和(自身を含む): 40865717760

約数和(自身を除く): 20697771856

約数列:

[1, 2, 4, 8, 16, 47, 61, 94, 122, 139, 188, 244, 278, 376, 488, 556, 752, 976, 1112, 2224, 2867, 3163, 5734, 6326, 6533, 8479, 11468, 12652, 13066, 16958, 22936, 25304, 26132, 33916, 45872, 50608, 52264, 67832, 104528, 135664, 148661, 192943, 297322, 385886, 398513, 439657, 594644, 771772, 797026, 879314, 1189288, 1543544, 1594052, 1758628, 2378576, 3087088, 3188104, 3517256, 6376208, 7034512, 9068321, 18136642, 20663879, 26819077, 36273284, 41327758, 53638154, 72546568, 82655516, 107276308, 145093136, 165311032, 214552616, 330622064, 429105232, 1260496619, 2520993238, 5041986476, 10083972952, 20167945904]

約数ペア:

[(1, 20167945904), (2, 10083972952), (4, 5041986476), (8, 2520993238), (16, 1260496619), (47, 429105232), (61, 330622064), (94, 214552616), (122, 165311032), (139, 145093136), (188, 107276308), (244, 82655516), (278, 72546568), (376, 53638154), (488, 41327758), (556, 36273284), (752, 26819077), (976, 20663879), (1112, 18136642), (2224, 9068321), (2867, 7034512), (3163, 6376208), (5734, 3517256), (6326, 3188104), (6533, 3087088), (8479, 2378576), (11468, 1758628), (12652, 1594052), (13066, 1543544), (16958, 1189288), (22936, 879314), (25304, 797026), (26132, 771772), (33916, 594644), (45872, 439657), (50608, 398513), (52264, 385886), (67832, 297322), (104528, 192943), (135664, 148661)]