20111075768

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{120391}}^1$

素因数の和:120580

約数の個数: 64

約数和(自身を含む): 45652646400

約数和(自身を除く): 25541570632

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 157, 266, 314, 532, 628, 1064, 1099, 1256, 2198, 2983, 4396, 5966, 8792, 11932, 20881, 23864, 41762, 83524, 120391, 167048, 240782, 481564, 842737, 963128, 1685474, 2287429, 3370948, 4574858, 6741896, 9149716, 16012003, 18299432, 18901387, 32024006, 37802774, 64048012, 75605548, 128096024, 132309709, 151211096, 264619418, 359126353, 529238836, 718252706, 1058477672, 1436505412, 2513884471, 2873010824, 5027768942, 10055537884, 20111075768]

約数ペア:

[(1, 20111075768), (2, 10055537884), (4, 5027768942), (7, 2873010824), (8, 2513884471), (14, 1436505412), (19, 1058477672), (28, 718252706), (38, 529238836), (56, 359126353), (76, 264619418), (133, 151211096), (152, 132309709), (157, 128096024), (266, 75605548), (314, 64048012), (532, 37802774), (628, 32024006), (1064, 18901387), (1099, 18299432), (1256, 16012003), (2198, 9149716), (2983, 6741896), (4396, 4574858), (5966, 3370948), (8792, 2287429), (11932, 1685474), (20881, 963128), (23864, 842737), (41762, 481564), (83524, 240782), (120391, 167048)]