20677418384

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{8867}}^1$

素因数の和:9372

約数の個数: 80

約数和(自身を含む): 46870714368

約数和(自身を除く): 26193295984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 443, 658, 752, 886, 1316, 1772, 2632, 3101, 3544, 5264, 6202, 7088, 8867, 12404, 17734, 20821, 24808, 35468, 41642, 49616, 62069, 70936, 83284, 124138, 141872, 145747, 166568, 248276, 291494, 333136, 416749, 496552, 582988, 833498, 993104, 1165976, 1666996, 2331952, 2917243, 3333992, 3928081, 5834486, 6667984, 7856162, 11668972, 15712324, 23337944, 27496567, 31424648, 46675888, 54993134, 62849296, 109986268, 184619807, 219972536, 369239614, 439945072, 738479228, 1292338649, 1476958456, 2584677298, 2953916912, 5169354596, 10338709192, 20677418384]

約数ペア:

[(1, 20677418384), (2, 10338709192), (4, 5169354596), (7, 2953916912), (8, 2584677298), (14, 1476958456), (16, 1292338649), (28, 738479228), (47, 439945072), (56, 369239614), (94, 219972536), (112, 184619807), (188, 109986268), (329, 62849296), (376, 54993134), (443, 46675888), (658, 31424648), (752, 27496567), (886, 23337944), (1316, 15712324), (1772, 11668972), (2632, 7856162), (3101, 6667984), (3544, 5834486), (5264, 3928081), (6202, 3333992), (7088, 2917243), (8867, 2331952), (12404, 1666996), (17734, 1165976), (20821, 993104), (24808, 833498), (35468, 582988), (41642, 496552), (49616, 416749), (62069, 333136), (70936, 291494), (83284, 248276), (124138, 166568), (141872, 145747)]