20889968253

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{1741}}^1$

素因数の和:2298

約数の個数: 64

約数和(自身を含む): 35105341440

約数和(自身を除く): 14215373187

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 409, 889, 1227, 1397, 1741, 2667, 2863, 4191, 4499, 5223, 8589, 9779, 12187, 13497, 19151, 29337, 31493, 36561, 51943, 57453, 94479, 134057, 155829, 221107, 363601, 402171, 571373, 663321, 712069, 1090803, 1547749, 1714119, 2136207, 2432177, 3999611, 4643247, 4984483, 7296531, 7832759, 11998833, 14953449, 17025239, 23498277, 51075717, 54829313, 90432763, 164487939, 271298289, 633029341, 994760393, 1899088023, 2984281179, 6963322751, 20889968253]

約数ペア:

[(1, 20889968253), (3, 6963322751), (7, 2984281179), (11, 1899088023), (21, 994760393), (33, 633029341), (77, 271298289), (127, 164487939), (231, 90432763), (381, 54829313), (409, 51075717), (889, 23498277), (1227, 17025239), (1397, 14953449), (1741, 11998833), (2667, 7832759), (2863, 7296531), (4191, 4984483), (4499, 4643247), (5223, 3999611), (8589, 2432177), (9779, 2136207), (12187, 1714119), (13497, 1547749), (19151, 1090803), (29337, 712069), (31493, 663321), (36561, 571373), (51943, 402171), (57453, 363601), (94479, 221107), (134057, 155829)]