20395958319

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{1657}}^1$

素因数の和:1901

約数の個数: 72

約数和(自身を含む): 33024176640

約数和(自身を除く): 12628218321

約数列:

[1, 3, 9, 11, 33, 89, 99, 121, 127, 267, 363, 381, 801, 979, 1089, 1143, 1397, 1657, 2937, 4191, 4971, 8811, 10769, 11303, 12573, 14913, 15367, 18227, 32307, 33909, 46101, 54681, 96921, 101727, 124333, 138303, 147473, 164043, 200497, 210439, 372999, 442419, 601491, 631317, 1118997, 1327257, 1367663, 1622203, 1804473, 1893951, 2314829, 4102989, 4866609, 6944487, 12308967, 14599827, 17844233, 18729071, 20833461, 25463119, 53532699, 56187213, 76389357, 160598097, 168561639, 206019781, 229168071, 618059343, 1854178029, 2266217591, 6798652773, 20395958319]

約数ペア:

[(1, 20395958319), (3, 6798652773), (9, 2266217591), (11, 1854178029), (33, 618059343), (89, 229168071), (99, 206019781), (121, 168561639), (127, 160598097), (267, 76389357), (363, 56187213), (381, 53532699), (801, 25463119), (979, 20833461), (1089, 18729071), (1143, 17844233), (1397, 14599827), (1657, 12308967), (2937, 6944487), (4191, 4866609), (4971, 4102989), (8811, 2314829), (10769, 1893951), (11303, 1804473), (12573, 1622203), (14913, 1367663), (15367, 1327257), (18227, 1118997), (32307, 631317), (33909, 601491), (46101, 442419), (54681, 372999), (96921, 210439), (101727, 200497), (124333, 164043), (138303, 147473)]