20596928

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1761

約数の個数: 56

約数和(自身を含む): 47237904

約数和(自身を除く): 26640976

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 136, 176, 187, 272, 352, 374, 544, 704, 748, 1088, 1496, 1721, 2992, 3442, 5984, 6884, 11968, 13768, 18931, 27536, 29257, 37862, 55072, 58514, 75724, 110144, 117028, 151448, 234056, 302896, 321827, 468112, 605792, 643654, 936224, 1211584, 1287308, 1872448, 2574616, 5149232, 10298464, 20596928]

約数ペア:

[(1, 20596928), (2, 10298464), (4, 5149232), (8, 2574616), (11, 1872448), (16, 1287308), (17, 1211584), (22, 936224), (32, 643654), (34, 605792), (44, 468112), (64, 321827), (68, 302896), (88, 234056), (136, 151448), (176, 117028), (187, 110144), (272, 75724), (352, 58514), (374, 55072), (544, 37862), (704, 29257), (748, 27536), (1088, 18931), (1496, 13768), (1721, 11968), (2992, 6884), (3442, 5984)]