20160981232

素因数分解:

$2^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1\times {\mathrm{2389}}^1$

素因数の和:3054

約数の個数: 80

約数和(自身を含む): 45046720000

約数和(自身を除く): 24885738768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 151, 302, 499, 604, 998, 1057, 1208, 1996, 2114, 2389, 2416, 3493, 3992, 4228, 4778, 6986, 7984, 8456, 9556, 13972, 16723, 16912, 19112, 27944, 33446, 38224, 55888, 66892, 75349, 133784, 150698, 267568, 301396, 360739, 527443, 602792, 721478, 1054886, 1192111, 1205584, 1442956, 2109772, 2384222, 2525173, 2885912, 4219544, 4768444, 5050346, 5771824, 8344777, 8439088, 9536888, 10100692, 16689554, 19073776, 20201384, 33379108, 40402768, 66758216, 133516432, 180008761, 360017522, 720035044, 1260061327, 1440070088, 2520122654, 2880140176, 5040245308, 10080490616, 20160981232]

約数ペア:

[(1, 20160981232), (2, 10080490616), (4, 5040245308), (7, 2880140176), (8, 2520122654), (14, 1440070088), (16, 1260061327), (28, 720035044), (56, 360017522), (112, 180008761), (151, 133516432), (302, 66758216), (499, 40402768), (604, 33379108), (998, 20201384), (1057, 19073776), (1208, 16689554), (1996, 10100692), (2114, 9536888), (2389, 8439088), (2416, 8344777), (3493, 5771824), (3992, 5050346), (4228, 4768444), (4778, 4219544), (6986, 2885912), (7984, 2525173), (8456, 2384222), (9556, 2109772), (13972, 1442956), (16723, 1205584), (16912, 1192111), (19112, 1054886), (27944, 721478), (33446, 602792), (38224, 527443), (55888, 360739), (66892, 301396), (75349, 267568), (133784, 150698)]