20173551728

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{127}}^1\times {\mathrm{7459}}^1$

素因数の和:7627

約数の個数: 80

約数和(自身を含む): 43336273920

約数和(自身を除く): 23162722192

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 127, 176, 242, 254, 484, 508, 968, 1016, 1331, 1397, 1936, 2032, 2662, 2794, 5324, 5588, 7459, 10648, 11176, 14918, 15367, 21296, 22352, 29836, 30734, 59672, 61468, 82049, 119344, 122936, 164098, 169037, 245872, 328196, 338074, 656392, 676148, 902539, 947293, 1312784, 1352296, 1805078, 1894586, 2704592, 3610156, 3789172, 7220312, 7578344, 9927929, 10420223, 14440624, 15156688, 19855858, 20840446, 39711716, 41680892, 79423432, 83361784, 114622453, 158846864, 166723568, 229244906, 458489812, 916979624, 1260846983, 1833959248, 2521693966, 5043387932, 10086775864, 20173551728]

約数ペア:

[(1, 20173551728), (2, 10086775864), (4, 5043387932), (8, 2521693966), (11, 1833959248), (16, 1260846983), (22, 916979624), (44, 458489812), (88, 229244906), (121, 166723568), (127, 158846864), (176, 114622453), (242, 83361784), (254, 79423432), (484, 41680892), (508, 39711716), (968, 20840446), (1016, 19855858), (1331, 15156688), (1397, 14440624), (1936, 10420223), (2032, 9927929), (2662, 7578344), (2794, 7220312), (5324, 3789172), (5588, 3610156), (7459, 2704592), (10648, 1894586), (11176, 1805078), (14918, 1352296), (15367, 1312784), (21296, 947293), (22352, 902539), (29836, 676148), (30734, 656392), (59672, 338074), (61468, 328196), (82049, 245872), (119344, 169037), (122936, 164098)]