20691936

素因数分解:

$2^5\times 3^6\times {\mathrm{887}}^1$

素因数の和:915

約数の個数: 84

約数和(自身を含む): 61146792

約数和(自身を除く): 40454856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 432, 486, 648, 729, 864, 887, 972, 1296, 1458, 1774, 1944, 2592, 2661, 2916, 3548, 3888, 5322, 5832, 7096, 7776, 7983, 10644, 11664, 14192, 15966, 21288, 23328, 23949, 28384, 31932, 42576, 47898, 63864, 71847, 85152, 95796, 127728, 143694, 191592, 215541, 255456, 287388, 383184, 431082, 574776, 646623, 766368, 862164, 1149552, 1293246, 1724328, 2299104, 2586492, 3448656, 5172984, 6897312, 10345968, 20691936]

約数ペア:

[(1, 20691936), (2, 10345968), (3, 6897312), (4, 5172984), (6, 3448656), (8, 2586492), (9, 2299104), (12, 1724328), (16, 1293246), (18, 1149552), (24, 862164), (27, 766368), (32, 646623), (36, 574776), (48, 431082), (54, 383184), (72, 287388), (81, 255456), (96, 215541), (108, 191592), (144, 143694), (162, 127728), (216, 95796), (243, 85152), (288, 71847), (324, 63864), (432, 47898), (486, 42576), (648, 31932), (729, 28384), (864, 23949), (887, 23328), (972, 21288), (1296, 15966), (1458, 14192), (1774, 11664), (1944, 10644), (2592, 7983), (2661, 7776), (2916, 7096), (3548, 5832), (3888, 5322)]