20996878576

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{97649}}^1$

素因数の和:97897

約数の個数: 40

約数和(自身を含む): 41411412000

約数和(自身を除く): 20414533424

約数列:

[1, 2, 4, 8, 16, 89, 151, 178, 302, 356, 604, 712, 1208, 1424, 2416, 13439, 26878, 53756, 97649, 107512, 195298, 215024, 390596, 781192, 1562384, 8690761, 14744999, 17381522, 29489998, 34763044, 58979996, 69526088, 117959992, 139052176, 235919984, 1312304911, 2624609822, 5249219644, 10498439288, 20996878576]

約数ペア:

[(1, 20996878576), (2, 10498439288), (4, 5249219644), (8, 2624609822), (16, 1312304911), (89, 235919984), (151, 139052176), (178, 117959992), (302, 69526088), (356, 58979996), (604, 34763044), (712, 29489998), (1208, 17381522), (1424, 14744999), (2416, 8690761), (13439, 1562384), (26878, 781192), (53756, 390596), (97649, 215024), (107512, 195298)]