20988892908

素因数分解:

$2^2\times 3^3\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{3391}}^1$

素因数の和:3884

約数の個数: 96

約数和(自身を含む): 54888529920

約数和(自身を除く): 33899637012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 223, 257, 446, 514, 669, 771, 892, 1028, 1338, 1542, 2007, 2313, 2676, 3084, 3391, 4014, 4626, 6021, 6782, 6939, 8028, 9252, 10173, 12042, 13564, 13878, 20346, 24084, 27756, 30519, 40692, 57311, 61038, 91557, 114622, 122076, 171933, 183114, 229244, 343866, 366228, 515799, 687732, 756193, 871487, 1031598, 1512386, 1547397, 1742974, 2063196, 2268579, 2614461, 3024772, 3094794, 3485948, 4537158, 5228922, 6189588, 6805737, 7843383, 9074316, 10457844, 13611474, 15686766, 20417211, 23530149, 27222948, 31373532, 40834422, 47060298, 81668844, 94120596, 194341601, 388683202, 583024803, 777366404, 1166049606, 1749074409, 2332099212, 3498148818, 5247223227, 6996297636, 10494446454, 20988892908]

約数ペア:

[(1, 20988892908), (2, 10494446454), (3, 6996297636), (4, 5247223227), (6, 3498148818), (9, 2332099212), (12, 1749074409), (18, 1166049606), (27, 777366404), (36, 583024803), (54, 388683202), (108, 194341601), (223, 94120596), (257, 81668844), (446, 47060298), (514, 40834422), (669, 31373532), (771, 27222948), (892, 23530149), (1028, 20417211), (1338, 15686766), (1542, 13611474), (2007, 10457844), (2313, 9074316), (2676, 7843383), (3084, 6805737), (3391, 6189588), (4014, 5228922), (4626, 4537158), (6021, 3485948), (6782, 3094794), (6939, 3024772), (8028, 2614461), (9252, 2268579), (10173, 2063196), (12042, 1742974), (13564, 1547397), (13878, 1512386), (20346, 1031598), (24084, 871487), (27756, 756193), (30519, 687732), (40692, 515799), (57311, 366228), (61038, 343866), (91557, 229244), (114622, 183114), (122076, 171933)]