20869344

素因数分解:

$2^5\times 3^2\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:560

約数の個数: 72

約数和(自身を含む): 59793552

約数和(自身を除く): 38924208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 233, 288, 311, 466, 622, 699, 932, 933, 1244, 1398, 1864, 1866, 2097, 2488, 2796, 2799, 3728, 3732, 4194, 4976, 5592, 5598, 7456, 7464, 8388, 9952, 11184, 11196, 14928, 16776, 22368, 22392, 29856, 33552, 44784, 67104, 72463, 89568, 144926, 217389, 289852, 434778, 579704, 652167, 869556, 1159408, 1304334, 1739112, 2318816, 2608668, 3478224, 5217336, 6956448, 10434672, 20869344]

約数ペア:

[(1, 20869344), (2, 10434672), (3, 6956448), (4, 5217336), (6, 3478224), (8, 2608668), (9, 2318816), (12, 1739112), (16, 1304334), (18, 1159408), (24, 869556), (32, 652167), (36, 579704), (48, 434778), (72, 289852), (96, 217389), (144, 144926), (233, 89568), (288, 72463), (311, 67104), (466, 44784), (622, 33552), (699, 29856), (932, 22392), (933, 22368), (1244, 16776), (1398, 14928), (1864, 11196), (1866, 11184), (2097, 9952), (2488, 8388), (2796, 7464), (2799, 7456), (3728, 5598), (3732, 5592), (4194, 4976)]