20583472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 50052352

約数和(自身を除く): 29468880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 67, 91, 104, 112, 134, 182, 208, 211, 268, 364, 422, 469, 536, 728, 844, 871, 938, 1072, 1456, 1477, 1688, 1742, 1876, 2743, 2954, 3376, 3484, 3752, 5486, 5908, 6097, 6968, 7504, 10972, 11816, 12194, 13936, 14137, 19201, 21944, 23632, 24388, 28274, 38402, 43888, 48776, 56548, 76804, 97552, 98959, 113096, 153608, 183781, 197918, 226192, 307216, 367562, 395836, 735124, 791672, 1286467, 1470248, 1583344, 2572934, 2940496, 5145868, 10291736, 20583472]

約数ペア:

[(1, 20583472), (2, 10291736), (4, 5145868), (7, 2940496), (8, 2572934), (13, 1583344), (14, 1470248), (16, 1286467), (26, 791672), (28, 735124), (52, 395836), (56, 367562), (67, 307216), (91, 226192), (104, 197918), (112, 183781), (134, 153608), (182, 113096), (208, 98959), (211, 97552), (268, 76804), (364, 56548), (422, 48776), (469, 43888), (536, 38402), (728, 28274), (844, 24388), (871, 23632), (938, 21944), (1072, 19201), (1456, 14137), (1477, 13936), (1688, 12194), (1742, 11816), (1876, 10972), (2743, 7504), (2954, 6968), (3376, 6097), (3484, 5908), (3752, 5486)]